208088740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 475582464

約数和(自身を除く): 267493724

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 47, 62, 74, 94, 124, 148, 155, 185, 188, 193, 235, 310, 370, 386, 470, 620, 740, 772, 940, 965, 1147, 1457, 1739, 1930, 2294, 2914, 3478, 3860, 4588, 5735, 5828, 5983, 6956, 7141, 7285, 8695, 9071, 11470, 11966, 14282, 14570, 17390, 18142, 22940, 23932, 28564, 29140, 29915, 34780, 35705, 36284, 45355, 53909, 59830, 71410, 90710, 107818, 119660, 142820, 181420, 215636, 221371, 269545, 281201, 335627, 442742, 539090, 562402, 671254, 885484, 1078180, 1106855, 1124804, 1342508, 1406005, 1678135, 2213710, 2812010, 3356270, 4427420, 5624020, 6712540, 10404437, 20808874, 41617748, 52022185, 104044370, 208088740]

約数ペア:

[(1, 208088740), (2, 104044370), (4, 52022185), (5, 41617748), (10, 20808874), (20, 10404437), (31, 6712540), (37, 5624020), (47, 4427420), (62, 3356270), (74, 2812010), (94, 2213710), (124, 1678135), (148, 1406005), (155, 1342508), (185, 1124804), (188, 1106855), (193, 1078180), (235, 885484), (310, 671254), (370, 562402), (386, 539090), (470, 442742), (620, 335627), (740, 281201), (772, 269545), (940, 221371), (965, 215636), (1147, 181420), (1457, 142820), (1739, 119660), (1930, 107818), (2294, 90710), (2914, 71410), (3478, 59830), (3860, 53909), (4588, 45355), (5735, 36284), (5828, 35705), (5983, 34780), (6956, 29915), (7141, 29140), (7285, 28564), (8695, 23932), (9071, 22940), (11470, 18142), (11966, 17390), (14282, 14570)]