1208325820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1751

約数の個数: 96

約数和(自身を含む): 2838318336

約数和(自身を除く): 1629992516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 61, 65, 94, 122, 130, 188, 235, 244, 260, 305, 470, 610, 611, 793, 940, 1220, 1222, 1586, 1621, 2444, 2867, 3055, 3172, 3242, 3965, 5734, 6110, 6484, 7930, 8105, 11468, 12220, 14335, 15860, 16210, 21073, 28670, 32420, 37271, 42146, 57340, 74542, 76187, 84292, 98881, 105365, 149084, 152374, 186355, 197762, 210730, 304748, 372710, 380935, 395524, 421460, 494405, 745420, 761870, 988810, 990431, 1285453, 1523740, 1977620, 1980862, 2570906, 3961724, 4647407, 4952155, 5141812, 6427265, 9294814, 9904310, 12854530, 18589628, 19808620, 23237035, 25709060, 46474070, 60416291, 92948140, 120832582, 241665164, 302081455, 604162910, 1208325820]

約数ペア:

[(1, 1208325820), (2, 604162910), (4, 302081455), (5, 241665164), (10, 120832582), (13, 92948140), (20, 60416291), (26, 46474070), (47, 25709060), (52, 23237035), (61, 19808620), (65, 18589628), (94, 12854530), (122, 9904310), (130, 9294814), (188, 6427265), (235, 5141812), (244, 4952155), (260, 4647407), (305, 3961724), (470, 2570906), (610, 1980862), (611, 1977620), (793, 1523740), (940, 1285453), (1220, 990431), (1222, 988810), (1586, 761870), (1621, 745420), (2444, 494405), (2867, 421460), (3055, 395524), (3172, 380935), (3242, 372710), (3965, 304748), (5734, 210730), (6110, 197762), (6484, 186355), (7930, 152374), (8105, 149084), (11468, 105365), (12220, 98881), (14335, 84292), (15860, 76187), (16210, 74542), (21073, 57340), (28670, 42146), (32420, 37271)]