289481530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 594397440

約数和(自身を除く): 304915910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 233, 247, 466, 494, 503, 1006, 1165, 1235, 2330, 2470, 2515, 3029, 4427, 5030, 6058, 6539, 8854, 9557, 13078, 15145, 19114, 22135, 30290, 32695, 44270, 47785, 57551, 65390, 95570, 115102, 117199, 124241, 234398, 248482, 287755, 575510, 585995, 621205, 1171990, 1242410, 1523587, 2226781, 3047174, 4453562, 7617935, 11133905, 15235870, 22267810, 28948153, 57896306, 144740765, 289481530]

約数ペア:

[(1, 289481530), (2, 144740765), (5, 57896306), (10, 28948153), (13, 22267810), (19, 15235870), (26, 11133905), (38, 7617935), (65, 4453562), (95, 3047174), (130, 2226781), (190, 1523587), (233, 1242410), (247, 1171990), (466, 621205), (494, 585995), (503, 575510), (1006, 287755), (1165, 248482), (1235, 234398), (2330, 124241), (2470, 117199), (2515, 115102), (3029, 95570), (4427, 65390), (5030, 57551), (6058, 47785), (6539, 44270), (8854, 32695), (9557, 30290), (13078, 22135), (15145, 19114)]