788570180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 1777386240

約数和(自身を除く): 988816060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 157, 179, 230, 244, 305, 314, 358, 460, 610, 628, 716, 785, 895, 1220, 1403, 1570, 1790, 2806, 3140, 3580, 3611, 4117, 5612, 7015, 7222, 8234, 9577, 10919, 14030, 14444, 16468, 18055, 19154, 20585, 21838, 28060, 28103, 36110, 38308, 41170, 43676, 47885, 54595, 56206, 72220, 82340, 95770, 109190, 112412, 140515, 191540, 218380, 220271, 251137, 281030, 440542, 502274, 562060, 646369, 881084, 1004548, 1101355, 1255685, 1292738, 1714283, 2202710, 2511370, 2585476, 3231845, 3428566, 4405420, 5022740, 6463690, 6857132, 8571415, 12927380, 17142830, 34285660, 39428509, 78857018, 157714036, 197142545, 394285090, 788570180]

約数ペア:

[(1, 788570180), (2, 394285090), (4, 197142545), (5, 157714036), (10, 78857018), (20, 39428509), (23, 34285660), (46, 17142830), (61, 12927380), (92, 8571415), (115, 6857132), (122, 6463690), (157, 5022740), (179, 4405420), (230, 3428566), (244, 3231845), (305, 2585476), (314, 2511370), (358, 2202710), (460, 1714283), (610, 1292738), (628, 1255685), (716, 1101355), (785, 1004548), (895, 881084), (1220, 646369), (1403, 562060), (1570, 502274), (1790, 440542), (2806, 281030), (3140, 251137), (3580, 220271), (3611, 218380), (4117, 191540), (5612, 140515), (7015, 112412), (7222, 109190), (8234, 95770), (9577, 82340), (10919, 72220), (14030, 56206), (14444, 54595), (16468, 47885), (18055, 43676), (19154, 41170), (20585, 38308), (21838, 36110), (28060, 28103)]