3218420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4039180

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 179, 290, 310, 358, 580, 620, 716, 895, 899, 1790, 1798, 3580, 3596, 4495, 5191, 5549, 8990, 10382, 11098, 17980, 20764, 22196, 25955, 27745, 51910, 55490, 103820, 110980, 160921, 321842, 643684, 804605, 1609210, 3218420]

約数ペア:

[(1, 3218420), (2, 1609210), (4, 804605), (5, 643684), (10, 321842), (20, 160921), (29, 110980), (31, 103820), (58, 55490), (62, 51910), (116, 27745), (124, 25955), (145, 22196), (155, 20764), (179, 17980), (290, 11098), (310, 10382), (358, 8990), (580, 5549), (620, 5191), (716, 4495), (895, 3596), (899, 3580), (1790, 1798)]