253924720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14627}}^1$

素因数の和:14678

約数の個数: 80

約数和(自身を含む): 696526848

約数和(自身を除く): 442602128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14627, 17360, 29254, 58508, 73135, 102389, 117016, 146270, 204778, 234032, 292540, 409556, 453437, 511945, 585080, 819112, 906874, 1023890, 1170160, 1638224, 1813748, 2047780, 2267185, 3174059, 3627496, 4095560, 4534370, 6348118, 7254992, 8191120, 9068740, 12696236, 15870295, 18137480, 25392472, 31740590, 36274960, 50784944, 63481180, 126962360, 253924720]

約数ペア:

[(1, 253924720), (2, 126962360), (4, 63481180), (5, 50784944), (7, 36274960), (8, 31740590), (10, 25392472), (14, 18137480), (16, 15870295), (20, 12696236), (28, 9068740), (31, 8191120), (35, 7254992), (40, 6348118), (56, 4534370), (62, 4095560), (70, 3627496), (80, 3174059), (112, 2267185), (124, 2047780), (140, 1813748), (155, 1638224), (217, 1170160), (248, 1023890), (280, 906874), (310, 819112), (434, 585080), (496, 511945), (560, 453437), (620, 409556), (868, 292540), (1085, 234032), (1240, 204778), (1736, 146270), (2170, 117016), (2480, 102389), (3472, 73135), (4340, 58508), (8680, 29254), (14627, 17360)]