665210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 1596672

約数和(自身を除く): 931462

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 43, 65, 70, 85, 86, 91, 119, 130, 170, 182, 215, 221, 238, 301, 430, 442, 455, 559, 595, 602, 731, 910, 1105, 1118, 1190, 1462, 1505, 1547, 2210, 2795, 3010, 3094, 3655, 3913, 5117, 5590, 7310, 7735, 7826, 9503, 10234, 15470, 19006, 19565, 25585, 39130, 47515, 51170, 66521, 95030, 133042, 332605, 665210]

約数ペア:

[(1, 665210), (2, 332605), (5, 133042), (7, 95030), (10, 66521), (13, 51170), (14, 47515), (17, 39130), (26, 25585), (34, 19565), (35, 19006), (43, 15470), (65, 10234), (70, 9503), (85, 7826), (86, 7735), (91, 7310), (119, 5590), (130, 5117), (170, 3913), (182, 3655), (215, 3094), (221, 3010), (238, 2795), (301, 2210), (430, 1547), (442, 1505), (455, 1462), (559, 1190), (595, 1118), (602, 1105), (731, 910)]