73997620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 166731264

約数和(自身を除く): 92733644

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 71, 82, 124, 142, 155, 164, 205, 284, 310, 355, 410, 620, 710, 820, 1271, 1420, 1681, 2201, 2542, 2911, 3362, 4402, 5084, 5822, 6355, 6724, 8405, 8804, 11005, 11644, 12710, 14555, 16810, 22010, 25420, 29110, 33620, 44020, 52111, 58220, 90241, 104222, 119351, 180482, 208444, 238702, 260555, 360964, 451205, 477404, 521110, 596755, 902410, 1042220, 1193510, 1804820, 2387020, 3699881, 7399762, 14799524, 18499405, 36998810, 73997620]

約数ペア:

[(1, 73997620), (2, 36998810), (4, 18499405), (5, 14799524), (10, 7399762), (20, 3699881), (31, 2387020), (41, 1804820), (62, 1193510), (71, 1042220), (82, 902410), (124, 596755), (142, 521110), (155, 477404), (164, 451205), (205, 360964), (284, 260555), (310, 238702), (355, 208444), (410, 180482), (620, 119351), (710, 104222), (820, 90241), (1271, 58220), (1420, 52111), (1681, 44020), (2201, 33620), (2542, 29110), (2911, 25420), (3362, 22010), (4402, 16810), (5084, 14555), (5822, 12710), (6355, 11644), (6724, 11005), (8405, 8804)]