1927960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 4379760

約数和(自身を除く): 2451800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 307, 314, 614, 628, 785, 1228, 1256, 1535, 1570, 2456, 3070, 3140, 6140, 6280, 12280, 48199, 96398, 192796, 240995, 385592, 481990, 963980, 1927960]

約数ペア:

[(1, 1927960), (2, 963980), (4, 481990), (5, 385592), (8, 240995), (10, 192796), (20, 96398), (40, 48199), (157, 12280), (307, 6280), (314, 6140), (614, 3140), (628, 3070), (785, 2456), (1228, 1570), (1256, 1535)]