1256274490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 96

約数和(自身を含む): 2580076800

約数和(自身を除く): 1323802310

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 95, 115, 145, 190, 230, 290, 431, 437, 529, 551, 667, 862, 874, 1058, 1102, 1334, 2155, 2185, 2645, 2755, 3335, 4310, 4370, 5290, 5510, 6670, 8189, 9913, 10051, 12499, 12673, 15341, 16378, 19826, 20102, 24998, 25346, 30682, 40945, 49565, 50255, 62495, 63365, 76705, 81890, 99130, 100510, 124990, 126730, 153410, 188347, 227999, 237481, 287477, 291479, 376694, 455998, 474962, 574954, 582958, 941735, 1139995, 1187405, 1437385, 1457395, 1883470, 2279990, 2374810, 2874770, 2914790, 4331981, 5462063, 6611971, 8663962, 10924126, 13223942, 21659905, 27310315, 33059855, 43319810, 54620630, 66119710, 125627449, 251254898, 628137245, 1256274490]

約数ペア:

[(1, 1256274490), (2, 628137245), (5, 251254898), (10, 125627449), (19, 66119710), (23, 54620630), (29, 43319810), (38, 33059855), (46, 27310315), (58, 21659905), (95, 13223942), (115, 10924126), (145, 8663962), (190, 6611971), (230, 5462063), (290, 4331981), (431, 2914790), (437, 2874770), (529, 2374810), (551, 2279990), (667, 1883470), (862, 1457395), (874, 1437385), (1058, 1187405), (1102, 1139995), (1334, 941735), (2155, 582958), (2185, 574954), (2645, 474962), (2755, 455998), (3335, 376694), (4310, 291479), (4370, 287477), (5290, 237481), (5510, 227999), (6670, 188347), (8189, 153410), (9913, 126730), (10051, 124990), (12499, 100510), (12673, 99130), (15341, 81890), (16378, 76705), (19826, 63365), (20102, 62495), (24998, 50255), (25346, 49565), (30682, 40945)]