2421100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 5999616

約数和(自身を除く): 3578516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 71, 100, 110, 124, 142, 155, 220, 275, 284, 310, 341, 355, 550, 620, 682, 710, 775, 781, 1100, 1364, 1420, 1550, 1562, 1705, 1775, 2201, 3100, 3124, 3410, 3550, 3905, 4402, 6820, 7100, 7810, 8525, 8804, 11005, 15620, 17050, 19525, 22010, 24211, 34100, 39050, 44020, 48422, 55025, 78100, 96844, 110050, 121055, 220100, 242110, 484220, 605275, 1210550, 2421100]

約数ペア:

[(1, 2421100), (2, 1210550), (4, 605275), (5, 484220), (10, 242110), (11, 220100), (20, 121055), (22, 110050), (25, 96844), (31, 78100), (44, 55025), (50, 48422), (55, 44020), (62, 39050), (71, 34100), (100, 24211), (110, 22010), (124, 19525), (142, 17050), (155, 15620), (220, 11005), (275, 8804), (284, 8525), (310, 7810), (341, 7100), (355, 6820), (550, 4402), (620, 3905), (682, 3550), (710, 3410), (775, 3124), (781, 3100), (1100, 2201), (1364, 1775), (1420, 1705), (1550, 1562)]