147397960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 339911280

約数和(自身を除く): 192513320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 193, 244, 305, 313, 386, 488, 610, 626, 772, 965, 1220, 1252, 1544, 1565, 1930, 2440, 2504, 3130, 3860, 6260, 7720, 11773, 12520, 19093, 23546, 38186, 47092, 58865, 60409, 76372, 94184, 95465, 117730, 120818, 152744, 190930, 235460, 241636, 302045, 381860, 470920, 483272, 604090, 763720, 1208180, 2416360, 3684949, 7369898, 14739796, 18424745, 29479592, 36849490, 73698980, 147397960]

約数ペア:

[(1, 147397960), (2, 73698980), (4, 36849490), (5, 29479592), (8, 18424745), (10, 14739796), (20, 7369898), (40, 3684949), (61, 2416360), (122, 1208180), (193, 763720), (244, 604090), (305, 483272), (313, 470920), (386, 381860), (488, 302045), (610, 241636), (626, 235460), (772, 190930), (965, 152744), (1220, 120818), (1252, 117730), (1544, 95465), (1565, 94184), (1930, 76372), (2440, 60409), (2504, 58865), (3130, 47092), (3860, 38186), (6260, 23546), (7720, 19093), (11773, 12520)]