4798180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 10644480

約数和(自身を除く): 5846300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 109, 124, 142, 155, 218, 284, 310, 355, 436, 545, 620, 710, 1090, 1420, 2180, 2201, 3379, 4402, 6758, 7739, 8804, 11005, 13516, 15478, 16895, 22010, 30956, 33790, 38695, 44020, 67580, 77390, 154780, 239909, 479818, 959636, 1199545, 2399090, 4798180]

約数ペア:

[(1, 4798180), (2, 2399090), (4, 1199545), (5, 959636), (10, 479818), (20, 239909), (31, 154780), (62, 77390), (71, 67580), (109, 44020), (124, 38695), (142, 33790), (155, 30956), (218, 22010), (284, 16895), (310, 15478), (355, 13516), (436, 11005), (545, 8804), (620, 7739), (710, 6758), (1090, 4402), (1420, 3379), (2180, 2201)]