849590920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{1823}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 1954160640

約数和(自身を除く): 1104569720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 191, 244, 305, 382, 488, 610, 764, 955, 1220, 1528, 1823, 1910, 2440, 3646, 3820, 7292, 7640, 9115, 11651, 14584, 18230, 23302, 36460, 46604, 58255, 72920, 93208, 111203, 116510, 222406, 233020, 348193, 444812, 466040, 556015, 696386, 889624, 1112030, 1392772, 1740965, 2224060, 2785544, 3481930, 4448120, 6963860, 13927720, 21239773, 42479546, 84959092, 106198865, 169918184, 212397730, 424795460, 849590920]

約数ペア:

[(1, 849590920), (2, 424795460), (4, 212397730), (5, 169918184), (8, 106198865), (10, 84959092), (20, 42479546), (40, 21239773), (61, 13927720), (122, 6963860), (191, 4448120), (244, 3481930), (305, 2785544), (382, 2224060), (488, 1740965), (610, 1392772), (764, 1112030), (955, 889624), (1220, 696386), (1528, 556015), (1823, 466040), (1910, 444812), (2440, 348193), (3646, 233020), (3820, 222406), (7292, 116510), (7640, 111203), (9115, 93208), (11651, 72920), (14584, 58255), (18230, 46604), (23302, 36460)]