919975120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{396541}}^1$

素因数の和:396583

約数の個数: 40

約数和(自身を含む): 2212704360

約数和(自身を除く): 1292729240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 396541, 793082, 1586164, 1982705, 3172328, 3965410, 6344656, 7930820, 11499689, 15861640, 22999378, 31723280, 45998756, 57498445, 91997512, 114996890, 183995024, 229993780, 459987560, 919975120]

約数ペア:

[(1, 919975120), (2, 459987560), (4, 229993780), (5, 183995024), (8, 114996890), (10, 91997512), (16, 57498445), (20, 45998756), (29, 31723280), (40, 22999378), (58, 15861640), (80, 11499689), (116, 7930820), (145, 6344656), (232, 3965410), (290, 3172328), (464, 1982705), (580, 1586164), (1160, 793082), (2320, 396541)]