858674420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{10567}}^1$

素因数の和:10832

約数の個数: 48

約数和(自身を含む): 1917457920

約数和(自身を除く): 1058783500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 4063, 4780, 8126, 10567, 16252, 20315, 21134, 40630, 42268, 52835, 81260, 105670, 179639, 211340, 359278, 718556, 898195, 1796390, 2525513, 3592780, 5051026, 10102052, 12627565, 25255130, 42933721, 50510260, 85867442, 171734884, 214668605, 429337210, 858674420]

約数ペア:

[(1, 858674420), (2, 429337210), (4, 214668605), (5, 171734884), (10, 85867442), (17, 50510260), (20, 42933721), (34, 25255130), (68, 12627565), (85, 10102052), (170, 5051026), (239, 3592780), (340, 2525513), (478, 1796390), (956, 898195), (1195, 718556), (2390, 359278), (4063, 211340), (4780, 179639), (8126, 105670), (10567, 81260), (16252, 52835), (20315, 42268), (21134, 40630)]