920291240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{2909}}^1$

素因数の和:3650

約数の個数: 64

約数和(自身を含む): 2262816000

約数和(自身を除く): 1342524760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 719, 1438, 2876, 2909, 3595, 5752, 5818, 7190, 7909, 11636, 14380, 14545, 15818, 23272, 28760, 29090, 31636, 31999, 39545, 58180, 63272, 63998, 79090, 116360, 127996, 158180, 159995, 255992, 316360, 319990, 639980, 1279960, 2091571, 4183142, 8366284, 10457855, 16732568, 20915710, 23007281, 41831420, 46014562, 83662840, 92029124, 115036405, 184058248, 230072810, 460145620, 920291240]

約数ペア:

[(1, 920291240), (2, 460145620), (4, 230072810), (5, 184058248), (8, 115036405), (10, 92029124), (11, 83662840), (20, 46014562), (22, 41831420), (40, 23007281), (44, 20915710), (55, 16732568), (88, 10457855), (110, 8366284), (220, 4183142), (440, 2091571), (719, 1279960), (1438, 639980), (2876, 319990), (2909, 316360), (3595, 255992), (5752, 159995), (5818, 158180), (7190, 127996), (7909, 116360), (11636, 79090), (14380, 63998), (14545, 63272), (15818, 58180), (23272, 39545), (28760, 31999), (29090, 31636)]