123996280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 305043840

約数和(自身を除く): 181047560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 277, 310, 361, 380, 554, 589, 620, 722, 760, 1108, 1178, 1240, 1385, 1444, 1805, 2216, 2356, 2770, 2888, 2945, 3610, 4712, 5263, 5540, 5890, 7220, 8587, 10526, 11080, 11191, 11780, 14440, 17174, 21052, 22382, 23560, 26315, 34348, 42104, 42935, 44764, 52630, 55955, 68696, 85870, 89528, 99997, 105260, 111910, 163153, 171740, 199994, 210520, 223820, 326306, 343480, 399988, 447640, 499985, 652612, 799976, 815765, 999970, 1305224, 1631530, 1999940, 3099907, 3263060, 3999880, 6199814, 6526120, 12399628, 15499535, 24799256, 30999070, 61998140, 123996280]

約数ペア:

[(1, 123996280), (2, 61998140), (4, 30999070), (5, 24799256), (8, 15499535), (10, 12399628), (19, 6526120), (20, 6199814), (31, 3999880), (38, 3263060), (40, 3099907), (62, 1999940), (76, 1631530), (95, 1305224), (124, 999970), (152, 815765), (155, 799976), (190, 652612), (248, 499985), (277, 447640), (310, 399988), (361, 343480), (380, 326306), (554, 223820), (589, 210520), (620, 199994), (722, 171740), (760, 163153), (1108, 111910), (1178, 105260), (1240, 99997), (1385, 89528), (1444, 85870), (1805, 68696), (2216, 55955), (2356, 52630), (2770, 44764), (2888, 42935), (2945, 42104), (3610, 34348), (4712, 26315), (5263, 23560), (5540, 22382), (5890, 21052), (7220, 17174), (8587, 14440), (10526, 11780), (11080, 11191)]