1187819980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{179429}}^1$

素因数の和:179769

約数の個数: 24

約数和(自身を含む): 2501971920

約数和(自身を除く): 1314151940

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 179429, 358858, 717716, 897145, 1794290, 3588580, 59390999, 118781998, 237563996, 296954995, 593909990, 1187819980]

約数ペア:

[(1, 1187819980), (2, 593909990), (4, 296954995), (5, 237563996), (10, 118781998), (20, 59390999), (331, 3588580), (662, 1794290), (1324, 897145), (1655, 717716), (3310, 358858), (6620, 179429)]