257175070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1033

約数の個数: 64

約数和(自身を含む): 514252800

約数和(自身を除く): 257077730

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 155, 190, 235, 310, 470, 589, 893, 929, 1178, 1457, 1786, 1858, 2914, 2945, 4465, 4645, 5890, 7285, 8930, 9290, 14570, 17651, 27683, 28799, 35302, 43663, 55366, 57598, 87326, 88255, 138415, 143995, 176510, 218315, 276830, 287990, 436630, 547181, 829597, 1094362, 1353553, 1659194, 2707106, 2735905, 4147985, 5471810, 6767765, 8295970, 13535530, 25717507, 51435014, 128587535, 257175070]

約数ペア:

[(1, 257175070), (2, 128587535), (5, 51435014), (10, 25717507), (19, 13535530), (31, 8295970), (38, 6767765), (47, 5471810), (62, 4147985), (94, 2735905), (95, 2707106), (155, 1659194), (190, 1353553), (235, 1094362), (310, 829597), (470, 547181), (589, 436630), (893, 287990), (929, 276830), (1178, 218315), (1457, 176510), (1786, 143995), (1858, 138415), (2914, 88255), (2945, 87326), (4465, 57598), (4645, 55366), (5890, 43663), (7285, 35302), (8930, 28799), (9290, 27683), (14570, 17651)]