256666630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 533848320

約数和(自身を除く): 277181690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 227, 418, 454, 541, 1045, 1082, 1135, 2090, 2270, 2497, 2705, 4313, 4994, 5410, 5951, 8626, 10279, 11902, 12485, 20558, 21565, 24970, 29755, 43130, 47443, 51395, 59510, 94886, 102790, 113069, 122807, 226138, 237215, 245614, 474430, 565345, 614035, 1130690, 1228070, 1350877, 2333333, 2701754, 4666666, 6754385, 11666665, 13508770, 23333330, 25666663, 51333326, 128333315, 256666630]

約数ペア:

[(1, 256666630), (2, 128333315), (5, 51333326), (10, 25666663), (11, 23333330), (19, 13508770), (22, 11666665), (38, 6754385), (55, 4666666), (95, 2701754), (110, 2333333), (190, 1350877), (209, 1228070), (227, 1130690), (418, 614035), (454, 565345), (541, 474430), (1045, 245614), (1082, 237215), (1135, 226138), (2090, 122807), (2270, 113069), (2497, 102790), (2705, 94886), (4313, 59510), (4994, 51395), (5410, 47443), (5951, 43130), (8626, 29755), (10279, 24970), (11902, 21565), (12485, 20558)]