257836410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220373}}^1$

素因数の和:220399

約数の個数: 48

約数和(自身を含む): 721945224

約数和(自身を除く): 464108814

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 220373, 440746, 661119, 1101865, 1322238, 1983357, 2203730, 2864849, 3305595, 3966714, 5729698, 6611190, 8594547, 9916785, 14324245, 17189094, 19833570, 25783641, 28648490, 42972735, 51567282, 85945470, 128918205, 257836410]

約数ペア:

[(1, 257836410), (2, 128918205), (3, 85945470), (5, 51567282), (6, 42972735), (9, 28648490), (10, 25783641), (13, 19833570), (15, 17189094), (18, 14324245), (26, 9916785), (30, 8594547), (39, 6611190), (45, 5729698), (65, 3966714), (78, 3305595), (90, 2864849), (117, 2203730), (130, 1983357), (195, 1322238), (234, 1101865), (390, 661119), (585, 440746), (1170, 220373)]