7829980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 17305344

約数和(自身を除く): 9475364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 173, 292, 310, 346, 365, 620, 692, 730, 865, 1460, 1730, 2263, 3460, 4526, 5363, 9052, 10726, 11315, 12629, 21452, 22630, 25258, 26815, 45260, 50516, 53630, 63145, 107260, 126290, 252580, 391499, 782998, 1565996, 1957495, 3914990, 7829980]

約数ペア:

[(1, 7829980), (2, 3914990), (4, 1957495), (5, 1565996), (10, 782998), (20, 391499), (31, 252580), (62, 126290), (73, 107260), (124, 63145), (146, 53630), (155, 50516), (173, 45260), (292, 26815), (310, 25258), (346, 22630), (365, 21452), (620, 12629), (692, 11315), (730, 10726), (865, 9052), (1460, 5363), (1730, 4526), (2263, 3460)]