256564450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2999}}^1$

素因数の和:3099

約数の個数: 48

約数和(自身を含む): 502200000

約数和(自身を除く): 245635550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 59, 118, 145, 290, 295, 590, 725, 1450, 1475, 1711, 2950, 2999, 3422, 5998, 8555, 14995, 17110, 29990, 42775, 74975, 85550, 86971, 149950, 173942, 176941, 353882, 434855, 869710, 884705, 1769410, 2174275, 4348550, 4423525, 5131289, 8847050, 10262578, 25656445, 51312890, 128282225, 256564450]

約数ペア:

[(1, 256564450), (2, 128282225), (5, 51312890), (10, 25656445), (25, 10262578), (29, 8847050), (50, 5131289), (58, 4423525), (59, 4348550), (118, 2174275), (145, 1769410), (290, 884705), (295, 869710), (590, 434855), (725, 353882), (1450, 176941), (1475, 173942), (1711, 149950), (2950, 86971), (2999, 85550), (3422, 74975), (5998, 42775), (8555, 29990), (14995, 17110)]