819910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 1959552

約数和(自身を除く): 1139642

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 53, 65, 70, 85, 91, 106, 119, 130, 170, 182, 221, 238, 265, 371, 442, 455, 530, 595, 689, 742, 901, 910, 1105, 1190, 1378, 1547, 1802, 1855, 2210, 3094, 3445, 3710, 4505, 4823, 6307, 6890, 7735, 9010, 9646, 11713, 12614, 15470, 23426, 24115, 31535, 48230, 58565, 63070, 81991, 117130, 163982, 409955, 819910]

約数ペア:

[(1, 819910), (2, 409955), (5, 163982), (7, 117130), (10, 81991), (13, 63070), (14, 58565), (17, 48230), (26, 31535), (34, 24115), (35, 23426), (53, 15470), (65, 12614), (70, 11713), (85, 9646), (91, 9010), (106, 7735), (119, 6890), (130, 6307), (170, 4823), (182, 4505), (221, 3710), (238, 3445), (265, 3094), (371, 2210), (442, 1855), (455, 1802), (530, 1547), (595, 1378), (689, 1190), (742, 1105), (901, 910)]