208601190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 691660800

約数和(自身を除く): 483059610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 37, 38, 42, 45, 54, 57, 63, 70, 74, 90, 95, 105, 111, 114, 126, 133, 135, 157, 171, 185, 189, 190, 210, 222, 259, 266, 270, 285, 314, 315, 333, 342, 370, 378, 399, 471, 513, 518, 555, 570, 630, 665, 666, 703, 777, 785, 798, 855, 942, 945, 999, 1026, 1099, 1110, 1197, 1295, 1330, 1406, 1413, 1554, 1570, 1665, 1710, 1890, 1995, 1998, 2109, 2198, 2331, 2355, 2394, 2565, 2590, 2826, 2983, 3297, 3330, 3515, 3591, 3885, 3990, 4218, 4239, 4662, 4710, 4921, 4995, 5130, 5495, 5809, 5966, 5985, 6327, 6594, 6993, 7030, 7065, 7182, 7770, 8478, 8949, 9842, 9891, 9990, 10545, 10990, 11618, 11655, 11970, 12654, 13986, 14130, 14763, 14915, 16485, 17427, 17898, 17955, 18981, 19782, 20881, 21090, 21195, 23310, 24605, 26847, 29045, 29526, 29673, 29830, 31635, 32970, 34854, 34965, 35910, 37962, 40663, 41762, 42390, 44289, 44745, 49210, 49455, 52281, 53694, 58090, 59346, 62643, 63270, 69930, 73815, 80541, 81326, 87135, 88578, 89490, 94905, 98910, 104405, 104562, 110371, 121989, 125286, 132867, 134235, 147630, 148365, 156843, 161082, 174270, 187929, 189810, 203315, 208810, 220742, 221445, 243978, 261405, 265734, 268470, 296730, 313215, 313686, 331113, 365967, 375858, 402705, 406630, 442890, 522810, 551855, 563787, 609945, 626430, 662226, 664335, 731934, 772597, 784215, 805410, 939645, 993339, 1097901, 1103710, 1127574, 1219890, 1328670, 1545194, 1568430, 1655565, 1829835, 1879290, 1986678, 2195802, 2317791, 2818935, 2980017, 3311130, 3659670, 3862985, 4635582, 4966695, 5489505, 5637870, 5960034, 6953373, 7725970, 9933390, 10979010, 11588955, 13906746, 14900085, 20860119, 23177910, 29800170, 34766865, 41720238, 69533730, 104300595, 208601190]

約数ペア:

[(1, 208601190), (2, 104300595), (3, 69533730), (5, 41720238), (6, 34766865), (7, 29800170), (9, 23177910), (10, 20860119), (14, 14900085), (15, 13906746), (18, 11588955), (19, 10979010), (21, 9933390), (27, 7725970), (30, 6953373), (35, 5960034), (37, 5637870), (38, 5489505), (42, 4966695), (45, 4635582), (54, 3862985), (57, 3659670), (63, 3311130), (70, 2980017), (74, 2818935), (90, 2317791), (95, 2195802), (105, 1986678), (111, 1879290), (114, 1829835), (126, 1655565), (133, 1568430), (135, 1545194), (157, 1328670), (171, 1219890), (185, 1127574), (189, 1103710), (190, 1097901), (210, 993339), (222, 939645), (259, 805410), (266, 784215), (270, 772597), (285, 731934), (314, 664335), (315, 662226), (333, 626430), (342, 609945), (370, 563787), (378, 551855), (399, 522810), (471, 442890), (513, 406630), (518, 402705), (555, 375858), (570, 365967), (630, 331113), (665, 313686), (666, 313215), (703, 296730), (777, 268470), (785, 265734), (798, 261405), (855, 243978), (942, 221445), (945, 220742), (999, 208810), (1026, 203315), (1099, 189810), (1110, 187929), (1197, 174270), (1295, 161082), (1330, 156843), (1406, 148365), (1413, 147630), (1554, 134235), (1570, 132867), (1665, 125286), (1710, 121989), (1890, 110371), (1995, 104562), (1998, 104405), (2109, 98910), (2198, 94905), (2331, 89490), (2355, 88578), (2394, 87135), (2565, 81326), (2590, 80541), (2826, 73815), (2983, 69930), (3297, 63270), (3330, 62643), (3515, 59346), (3591, 58090), (3885, 53694), (3990, 52281), (4218, 49455), (4239, 49210), (4662, 44745), (4710, 44289), (4921, 42390), (4995, 41762), (5130, 40663), (5495, 37962), (5809, 35910), (5966, 34965), (5985, 34854), (6327, 32970), (6594, 31635), (6993, 29830), (7030, 29673), (7065, 29526), (7182, 29045), (7770, 26847), (8478, 24605), (8949, 23310), (9842, 21195), (9891, 21090), (9990, 20881), (10545, 19782), (10990, 18981), (11618, 17955), (11655, 17898), (11970, 17427), (12654, 16485), (13986, 14915), (14130, 14763)]