1649283980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{29129}}^1$

素因数の和:29306

約数の個数: 48

約数和(自身を含む): 3670380000

約数和(自身を除く): 2021096020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 5662, 11324, 14155, 28310, 29129, 56620, 58258, 116516, 145645, 291290, 553451, 582580, 1106902, 2213804, 2767255, 4340221, 5534510, 8680442, 11069020, 17360884, 21701105, 43402210, 82464199, 86804420, 164928398, 329856796, 412320995, 824641990, 1649283980]

約数ペア:

[(1, 1649283980), (2, 824641990), (4, 412320995), (5, 329856796), (10, 164928398), (19, 86804420), (20, 82464199), (38, 43402210), (76, 21701105), (95, 17360884), (149, 11069020), (190, 8680442), (298, 5534510), (380, 4340221), (596, 2767255), (745, 2213804), (1490, 1106902), (2831, 582580), (2980, 553451), (5662, 291290), (11324, 145645), (14155, 116516), (28310, 58258), (29129, 56620)]