858595880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^4\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 2060566020

約数和(自身を除く): 1201970140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 289, 340, 514, 578, 680, 1028, 1156, 1285, 1445, 2056, 2312, 2570, 2890, 4369, 4913, 5140, 5780, 8738, 9826, 10280, 11560, 17476, 19652, 21845, 24565, 34952, 39304, 43690, 49130, 74273, 83521, 87380, 98260, 148546, 167042, 174760, 196520, 297092, 334084, 371365, 417605, 594184, 668168, 742730, 835210, 1262641, 1485460, 1670420, 2525282, 2970920, 3340840, 5050564, 6313205, 10101128, 12626410, 21464897, 25252820, 42929794, 50505640, 85859588, 107324485, 171719176, 214648970, 429297940, 858595880]

約数ペア:

[(1, 858595880), (2, 429297940), (4, 214648970), (5, 171719176), (8, 107324485), (10, 85859588), (17, 50505640), (20, 42929794), (34, 25252820), (40, 21464897), (68, 12626410), (85, 10101128), (136, 6313205), (170, 5050564), (257, 3340840), (289, 2970920), (340, 2525282), (514, 1670420), (578, 1485460), (680, 1262641), (1028, 835210), (1156, 742730), (1285, 668168), (1445, 594184), (2056, 417605), (2312, 371365), (2570, 334084), (2890, 297092), (4369, 196520), (4913, 174760), (5140, 167042), (5780, 148546), (8738, 98260), (9826, 87380), (10280, 83521), (11560, 74273), (17476, 49130), (19652, 43690), (21845, 39304), (24565, 34952)]