1330421420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{112939}}^1$

素因数の和:112998

約数の個数: 48

約数和(自身を含む): 3035827200

約数和(自身を除く): 1705405780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 112939, 225878, 451756, 564695, 1129390, 2145841, 2258780, 3501109, 4291682, 7002218, 8583364, 10729205, 14004436, 17505545, 21458410, 35011090, 42916820, 66521071, 70022180, 133042142, 266084284, 332605355, 665210710, 1330421420]

約数ペア:

[(1, 1330421420), (2, 665210710), (4, 332605355), (5, 266084284), (10, 133042142), (19, 70022180), (20, 66521071), (31, 42916820), (38, 35011090), (62, 21458410), (76, 17505545), (95, 14004436), (124, 10729205), (155, 8583364), (190, 7002218), (310, 4291682), (380, 3501109), (589, 2258780), (620, 2145841), (1178, 1129390), (2356, 564695), (2945, 451756), (5890, 225878), (11780, 112939)]