256985389990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1\times {\mathrm{92593}}^1$

素因数の和:93917

約数の個数: 64

約数和(自身を含む): 546141634560

約数和(自身を除く): 289156244570

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 1279, 2170, 2558, 6395, 8953, 12790, 17906, 39649, 44765, 79298, 89530, 92593, 185186, 198245, 277543, 396490, 462965, 555086, 648151, 925930, 1296302, 1387715, 2775430, 2870383, 3240755, 5740766, 6481510, 14351915, 20092681, 28703830, 40185362, 100463405, 118426447, 200926810, 236852894, 592132235, 828985129, 1184264470, 1657970258, 3671219857, 4144925645, 7342439714, 8289851290, 18356099285, 25698538999, 36712198570, 51397077998, 128492694995, 256985389990]

約数ペア:

[(1, 256985389990), (2, 128492694995), (5, 51397077998), (7, 36712198570), (10, 25698538999), (14, 18356099285), (31, 8289851290), (35, 7342439714), (62, 4144925645), (70, 3671219857), (155, 1657970258), (217, 1184264470), (310, 828985129), (434, 592132235), (1085, 236852894), (1279, 200926810), (2170, 118426447), (2558, 100463405), (6395, 40185362), (8953, 28703830), (12790, 20092681), (17906, 14351915), (39649, 6481510), (44765, 5740766), (79298, 3240755), (89530, 2870383), (92593, 2775430), (185186, 1387715), (198245, 1296302), (277543, 925930), (396490, 648151), (462965, 555086)]