2442580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 5967360

約数和(自身を除く): 3524780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 239, 292, 365, 478, 511, 730, 956, 1022, 1195, 1460, 1673, 2044, 2390, 2555, 3346, 4780, 5110, 6692, 8365, 10220, 16730, 17447, 33460, 34894, 69788, 87235, 122129, 174470, 244258, 348940, 488516, 610645, 1221290, 2442580]

約数ペア:

[(1, 2442580), (2, 1221290), (4, 610645), (5, 488516), (7, 348940), (10, 244258), (14, 174470), (20, 122129), (28, 87235), (35, 69788), (70, 34894), (73, 33460), (140, 17447), (146, 16730), (239, 10220), (292, 8365), (365, 6692), (478, 5110), (511, 4780), (730, 3346), (956, 2555), (1022, 2390), (1195, 2044), (1460, 1673)]