7447240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10696760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 239, 328, 380, 410, 478, 760, 779, 820, 956, 1195, 1558, 1640, 1912, 2390, 3116, 3895, 4541, 4780, 6232, 7790, 9082, 9560, 9799, 15580, 18164, 19598, 22705, 31160, 36328, 39196, 45410, 48995, 78392, 90820, 97990, 181640, 186181, 195980, 372362, 391960, 744724, 930905, 1489448, 1861810, 3723620, 7447240]

約数ペア:

[(1, 7447240), (2, 3723620), (4, 1861810), (5, 1489448), (8, 930905), (10, 744724), (19, 391960), (20, 372362), (38, 195980), (40, 186181), (41, 181640), (76, 97990), (82, 90820), (95, 78392), (152, 48995), (164, 45410), (190, 39196), (205, 36328), (239, 31160), (328, 22705), (380, 19598), (410, 18164), (478, 15580), (760, 9799), (779, 9560), (820, 9082), (956, 7790), (1195, 6232), (1558, 4780), (1640, 4541), (1912, 3895), (2390, 3116)]