7157849220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 22057923888

約数和(自身を除く): 14900074668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 197, 291, 388, 394, 485, 582, 591, 788, 873, 970, 985, 1164, 1182, 1455, 1746, 1773, 1940, 1970, 2081, 2364, 2910, 2955, 3492, 3546, 3940, 4162, 4365, 5820, 5910, 6243, 7092, 8324, 8730, 8865, 10405, 11820, 12486, 17460, 17730, 18729, 19109, 20810, 24972, 31215, 35460, 37458, 38218, 41620, 57327, 62430, 74916, 76436, 93645, 95545, 114654, 124860, 171981, 187290, 191090, 201857, 229308, 286635, 343962, 374580, 382180, 403714, 409957, 573270, 605571, 687924, 807428, 819914, 859905, 1009285, 1146540, 1211142, 1229871, 1639828, 1719810, 1816713, 2018570, 2049785, 2422284, 2459742, 3027855, 3439620, 3633426, 3689613, 4037140, 4099570, 4919484, 6055710, 6149355, 7266852, 7379226, 8199140, 9083565, 12111420, 12298710, 14758452, 18167130, 18448065, 24597420, 36334260, 36896130, 39765829, 73792260, 79531658, 119297487, 159063316, 198829145, 238594974, 357892461, 397658290, 477189948, 596487435, 715784922, 795316580, 1192974870, 1431569844, 1789462305, 2385949740, 3578924610, 7157849220]

約数ペア:

[(1, 7157849220), (2, 3578924610), (3, 2385949740), (4, 1789462305), (5, 1431569844), (6, 1192974870), (9, 795316580), (10, 715784922), (12, 596487435), (15, 477189948), (18, 397658290), (20, 357892461), (30, 238594974), (36, 198829145), (45, 159063316), (60, 119297487), (90, 79531658), (97, 73792260), (180, 39765829), (194, 36896130), (197, 36334260), (291, 24597420), (388, 18448065), (394, 18167130), (485, 14758452), (582, 12298710), (591, 12111420), (788, 9083565), (873, 8199140), (970, 7379226), (985, 7266852), (1164, 6149355), (1182, 6055710), (1455, 4919484), (1746, 4099570), (1773, 4037140), (1940, 3689613), (1970, 3633426), (2081, 3439620), (2364, 3027855), (2910, 2459742), (2955, 2422284), (3492, 2049785), (3546, 2018570), (3940, 1816713), (4162, 1719810), (4365, 1639828), (5820, 1229871), (5910, 1211142), (6243, 1146540), (7092, 1009285), (8324, 859905), (8730, 819914), (8865, 807428), (10405, 687924), (11820, 605571), (12486, 573270), (17460, 409957), (17730, 403714), (18729, 382180), (19109, 374580), (20810, 343962), (24972, 286635), (31215, 229308), (35460, 201857), (37458, 191090), (38218, 187290), (41620, 171981), (57327, 124860), (62430, 114654), (74916, 95545), (76436, 93645)]