255538430

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 556614720

約数和(自身を除く): 301076290

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 367, 406, 490, 686, 734, 1015, 1421, 1715, 1835, 2030, 2401, 2569, 2842, 3430, 3670, 4802, 5138, 7105, 9947, 10643, 12005, 12845, 14210, 17983, 19894, 21286, 24010, 25690, 35966, 49735, 53215, 69629, 74501, 89915, 99470, 106430, 125881, 139258, 149002, 179830, 251762, 348145, 372505, 521507, 629405, 696290, 745010, 881167, 1043014, 1258810, 1762334, 2607535, 3650549, 4405835, 5215070, 7301098, 8811670, 18252745, 25553843, 36505490, 51107686, 127769215, 255538430]

約数ペア:

[(1, 255538430), (2, 127769215), (5, 51107686), (7, 36505490), (10, 25553843), (14, 18252745), (29, 8811670), (35, 7301098), (49, 5215070), (58, 4405835), (70, 3650549), (98, 2607535), (145, 1762334), (203, 1258810), (245, 1043014), (290, 881167), (343, 745010), (367, 696290), (406, 629405), (490, 521507), (686, 372505), (734, 348145), (1015, 251762), (1421, 179830), (1715, 149002), (1835, 139258), (2030, 125881), (2401, 106430), (2569, 99470), (2842, 89915), (3430, 74501), (3670, 69629), (4802, 53215), (5138, 49735), (7105, 35966), (9947, 25690), (10643, 24010), (12005, 21286), (12845, 19894), (14210, 17983)]