628403980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1848247}}^1$

素因数の和:1848273

約数の個数: 24

約数和(自身を含む): 1397275488

約数和(自身を除く): 768871508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1848247, 3696494, 7392988, 9241235, 18482470, 31420199, 36964940, 62840398, 125680796, 157100995, 314201990, 628403980]

約数ペア:

[(1, 628403980), (2, 314201990), (4, 157100995), (5, 125680796), (10, 62840398), (17, 36964940), (20, 31420199), (34, 18482470), (68, 9241235), (85, 7392988), (170, 3696494), (340, 1848247)]