2443420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 6064128

約数和(自身を除く): 3620708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 563, 620, 868, 1085, 1126, 2170, 2252, 2815, 3941, 4340, 5630, 7882, 11260, 15764, 17453, 19705, 34906, 39410, 69812, 78820, 87265, 122171, 174530, 244342, 349060, 488684, 610855, 1221710, 2443420]

約数ペア:

[(1, 2443420), (2, 1221710), (4, 610855), (5, 488684), (7, 349060), (10, 244342), (14, 174530), (20, 122171), (28, 87265), (31, 78820), (35, 69812), (62, 39410), (70, 34906), (124, 19705), (140, 17453), (155, 15764), (217, 11260), (310, 7882), (434, 5630), (563, 4340), (620, 3941), (868, 2815), (1085, 2252), (1126, 2170)]