256444610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1759}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 471398400

約数和(自身を除く): 214953790

約数列:

[1, 2, 5, 10, 61, 122, 239, 305, 478, 610, 1195, 1759, 2390, 3518, 8795, 14579, 17590, 29158, 72895, 107299, 145790, 214598, 420401, 536495, 840802, 1072990, 2102005, 4204010, 25644461, 51288922, 128222305, 256444610]

約数ペア:

[(1, 256444610), (2, 128222305), (5, 51288922), (10, 25644461), (61, 4204010), (122, 2102005), (239, 1072990), (305, 840802), (478, 536495), (610, 420401), (1195, 214598), (1759, 145790), (2390, 107299), (3518, 72895), (8795, 29158), (14579, 17590)]