49889840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 160302240

約数和(自身を除く): 110412400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 89, 91, 98, 104, 110, 112, 130, 140, 143, 154, 176, 178, 182, 196, 208, 220, 245, 260, 280, 286, 308, 356, 364, 385, 392, 440, 445, 455, 490, 520, 539, 560, 572, 616, 623, 637, 712, 715, 728, 770, 784, 880, 890, 910, 979, 980, 1001, 1040, 1078, 1144, 1157, 1232, 1246, 1274, 1424, 1430, 1456, 1540, 1780, 1820, 1958, 1960, 2002, 2156, 2288, 2314, 2492, 2548, 2695, 2860, 3080, 3115, 3185, 3560, 3640, 3916, 3920, 4004, 4312, 4361, 4628, 4895, 4984, 5005, 5096, 5390, 5720, 5785, 6160, 6230, 6370, 6853, 7007, 7120, 7280, 7832, 8008, 8099, 8624, 8722, 9256, 9790, 9968, 10010, 10192, 10780, 11440, 11570, 12460, 12727, 12740, 13706, 14014, 15664, 16016, 16198, 17444, 18512, 19580, 20020, 21560, 21805, 23140, 24920, 25454, 25480, 27412, 28028, 32396, 34265, 34888, 35035, 39160, 40040, 40495, 43120, 43610, 46280, 47971, 49840, 50908, 50960, 54824, 56056, 56693, 63635, 64792, 68530, 69776, 70070, 78320, 80080, 80990, 87220, 89089, 92560, 95942, 101816, 109648, 112112, 113386, 127270, 129584, 137060, 140140, 161980, 174440, 178178, 191884, 203632, 226772, 239855, 254540, 274120, 280280, 283465, 323960, 348880, 356356, 383768, 445445, 453544, 479710, 509080, 548240, 560560, 566930, 623623, 647920, 712712, 767536, 890890, 907088, 959420, 1018160, 1133860, 1247246, 1425424, 1781780, 1918840, 2267720, 2494492, 3118115, 3563560, 3837680, 4535440, 4988984, 6236230, 7127120, 9977968, 12472460, 24944920, 49889840]

約数ペア:

[(1, 49889840), (2, 24944920), (4, 12472460), (5, 9977968), (7, 7127120), (8, 6236230), (10, 4988984), (11, 4535440), (13, 3837680), (14, 3563560), (16, 3118115), (20, 2494492), (22, 2267720), (26, 1918840), (28, 1781780), (35, 1425424), (40, 1247246), (44, 1133860), (49, 1018160), (52, 959420), (55, 907088), (56, 890890), (65, 767536), (70, 712712), (77, 647920), (80, 623623), (88, 566930), (89, 560560), (91, 548240), (98, 509080), (104, 479710), (110, 453544), (112, 445445), (130, 383768), (140, 356356), (143, 348880), (154, 323960), (176, 283465), (178, 280280), (182, 274120), (196, 254540), (208, 239855), (220, 226772), (245, 203632), (260, 191884), (280, 178178), (286, 174440), (308, 161980), (356, 140140), (364, 137060), (385, 129584), (392, 127270), (440, 113386), (445, 112112), (455, 109648), (490, 101816), (520, 95942), (539, 92560), (560, 89089), (572, 87220), (616, 80990), (623, 80080), (637, 78320), (712, 70070), (715, 69776), (728, 68530), (770, 64792), (784, 63635), (880, 56693), (890, 56056), (910, 54824), (979, 50960), (980, 50908), (1001, 49840), (1040, 47971), (1078, 46280), (1144, 43610), (1157, 43120), (1232, 40495), (1246, 40040), (1274, 39160), (1424, 35035), (1430, 34888), (1456, 34265), (1540, 32396), (1780, 28028), (1820, 27412), (1958, 25480), (1960, 25454), (2002, 24920), (2156, 23140), (2288, 21805), (2314, 21560), (2492, 20020), (2548, 19580), (2695, 18512), (2860, 17444), (3080, 16198), (3115, 16016), (3185, 15664), (3560, 14014), (3640, 13706), (3916, 12740), (3920, 12727), (4004, 12460), (4312, 11570), (4361, 11440), (4628, 10780), (4895, 10192), (4984, 10010), (5005, 9968), (5096, 9790), (5390, 9256), (5720, 8722), (5785, 8624), (6160, 8099), (6230, 8008), (6370, 7832), (6853, 7280), (7007, 7120)]