1310100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 4145568

約数和(自身を除く): 2835468

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 397, 550, 660, 794, 825, 1100, 1191, 1588, 1650, 1985, 2382, 3300, 3970, 4367, 4764, 5955, 7940, 8734, 9925, 11910, 13101, 17468, 19850, 21835, 23820, 26202, 29775, 39700, 43670, 52404, 59550, 65505, 87340, 109175, 119100, 131010, 218350, 262020, 327525, 436700, 655050, 1310100]

約数ペア:

[(1, 1310100), (2, 655050), (3, 436700), (4, 327525), (5, 262020), (6, 218350), (10, 131010), (11, 119100), (12, 109175), (15, 87340), (20, 65505), (22, 59550), (25, 52404), (30, 43670), (33, 39700), (44, 29775), (50, 26202), (55, 23820), (60, 21835), (66, 19850), (75, 17468), (100, 13101), (110, 11910), (132, 9925), (150, 8734), (165, 7940), (220, 5955), (275, 4764), (300, 4367), (330, 3970), (397, 3300), (550, 2382), (660, 1985), (794, 1650), (825, 1588), (1100, 1191)]