72929830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1019}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 139462560

約数和(自身を除く): 66532730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421, 842, 1019, 2038, 2105, 4210, 5095, 7157, 10190, 14314, 17323, 34646, 35785, 71570, 86615, 173230, 428999, 857998, 2144995, 4289990, 7292983, 14585966, 36464915, 72929830]

約数ペア:

[(1, 72929830), (2, 36464915), (5, 14585966), (10, 7292983), (17, 4289990), (34, 2144995), (85, 857998), (170, 428999), (421, 173230), (842, 86615), (1019, 71570), (2038, 35785), (2105, 34646), (4210, 17323), (5095, 14314), (7157, 10190)]