907659920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{877}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 2239932528

約数和(自身を除く): 1332272608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 761, 877, 1360, 1522, 1754, 3044, 3508, 3805, 4385, 6088, 7016, 7610, 8770, 12176, 12937, 14032, 14909, 15220, 17540, 25874, 29818, 30440, 35080, 51748, 59636, 60880, 64685, 70160, 74545, 103496, 119272, 129370, 149090, 206992, 238544, 258740, 298180, 517480, 596360, 667397, 1034960, 1192720, 1334794, 2669588, 3336985, 5339176, 6673970, 10678352, 11345749, 13347940, 22691498, 26695880, 45382996, 53391760, 56728745, 90765992, 113457490, 181531984, 226914980, 453829960, 907659920]

約数ペア:

[(1, 907659920), (2, 453829960), (4, 226914980), (5, 181531984), (8, 113457490), (10, 90765992), (16, 56728745), (17, 53391760), (20, 45382996), (34, 26695880), (40, 22691498), (68, 13347940), (80, 11345749), (85, 10678352), (136, 6673970), (170, 5339176), (272, 3336985), (340, 2669588), (680, 1334794), (761, 1192720), (877, 1034960), (1360, 667397), (1522, 596360), (1754, 517480), (3044, 298180), (3508, 258740), (3805, 238544), (4385, 206992), (6088, 149090), (7016, 129370), (7610, 119272), (8770, 103496), (12176, 74545), (12937, 70160), (14032, 64685), (14909, 60880), (15220, 59636), (17540, 51748), (25874, 35080), (29818, 30440)]