198218340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:3999

約数の個数: 120

約数和(自身を含む): 642039552

約数和(自身を除く): 443821212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 3947, 4185, 5022, 5580, 7894, 8370, 10044, 11841, 12555, 15788, 16740, 19735, 23682, 25110, 35523, 39470, 47364, 50220, 59205, 71046, 78940, 106569, 118410, 122357, 142092, 177615, 213138, 236820, 244714, 319707, 355230, 367071, 426276, 489428, 532845, 611785, 639414, 710460, 734142, 1065690, 1101213, 1223570, 1278828, 1468284, 1598535, 1835355, 2131380, 2202426, 2447140, 3197070, 3303639, 3670710, 4404852, 5506065, 6394140, 6607278, 7341420, 9910917, 11012130, 13214556, 16518195, 19821834, 22024260, 33036390, 39643668, 49554585, 66072780, 99109170, 198218340]

約数ペア:

[(1, 198218340), (2, 99109170), (3, 66072780), (4, 49554585), (5, 39643668), (6, 33036390), (9, 22024260), (10, 19821834), (12, 16518195), (15, 13214556), (18, 11012130), (20, 9910917), (27, 7341420), (30, 6607278), (31, 6394140), (36, 5506065), (45, 4404852), (54, 3670710), (60, 3303639), (62, 3197070), (81, 2447140), (90, 2202426), (93, 2131380), (108, 1835355), (124, 1598535), (135, 1468284), (155, 1278828), (162, 1223570), (180, 1101213), (186, 1065690), (270, 734142), (279, 710460), (310, 639414), (324, 611785), (372, 532845), (405, 489428), (465, 426276), (540, 367071), (558, 355230), (620, 319707), (810, 244714), (837, 236820), (930, 213138), (1116, 177615), (1395, 142092), (1620, 122357), (1674, 118410), (1860, 106569), (2511, 78940), (2790, 71046), (3348, 59205), (3947, 50220), (4185, 47364), (5022, 39470), (5580, 35523), (7894, 25110), (8370, 23682), (10044, 19735), (11841, 16740), (12555, 15788)]