2519990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 5114880

約数和(自身を除く): 2594890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 739, 1478, 1705, 3410, 3695, 7390, 8129, 16258, 22909, 40645, 45818, 81290, 114545, 229090, 251999, 503998, 1259995, 2519990]

約数ペア:

[(1, 2519990), (2, 1259995), (5, 503998), (10, 251999), (11, 229090), (22, 114545), (31, 81290), (55, 45818), (62, 40645), (110, 22909), (155, 16258), (310, 8129), (341, 7390), (682, 3695), (739, 3410), (1478, 1705)]