393222850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 746309376

約数和(自身を除く): 353086526

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 257, 355, 431, 514, 710, 862, 1285, 1775, 2155, 2570, 3550, 4310, 6425, 10775, 12850, 18247, 21550, 30601, 36494, 61202, 91235, 110767, 153005, 182470, 221534, 306010, 456175, 553835, 765025, 912350, 1107670, 1530050, 2769175, 5538350, 7864457, 15728914, 39322285, 78644570, 196611425, 393222850]

約数ペア:

[(1, 393222850), (2, 196611425), (5, 78644570), (10, 39322285), (25, 15728914), (50, 7864457), (71, 5538350), (142, 2769175), (257, 1530050), (355, 1107670), (431, 912350), (514, 765025), (710, 553835), (862, 456175), (1285, 306010), (1775, 221534), (2155, 182470), (2570, 153005), (3550, 110767), (4310, 91235), (6425, 61202), (10775, 36494), (12850, 30601), (18247, 21550)]