51317090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 105753600

約数和(自身を除く): 54436510

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 101, 110, 149, 155, 202, 298, 310, 341, 505, 682, 745, 1010, 1111, 1490, 1639, 1705, 2222, 3131, 3278, 3410, 4619, 5555, 6262, 8195, 9238, 11110, 15049, 15655, 16390, 23095, 30098, 31310, 34441, 46190, 50809, 68882, 75245, 101618, 150490, 165539, 172205, 254045, 331078, 344410, 466519, 508090, 827695, 933038, 1655390, 2332595, 4665190, 5131709, 10263418, 25658545, 51317090]

約数ペア:

[(1, 51317090), (2, 25658545), (5, 10263418), (10, 5131709), (11, 4665190), (22, 2332595), (31, 1655390), (55, 933038), (62, 827695), (101, 508090), (110, 466519), (149, 344410), (155, 331078), (202, 254045), (298, 172205), (310, 165539), (341, 150490), (505, 101618), (682, 75245), (745, 68882), (1010, 50809), (1111, 46190), (1490, 34441), (1639, 31310), (1705, 30098), (2222, 23095), (3131, 16390), (3278, 15655), (3410, 15049), (4619, 11110), (5555, 9238), (6262, 8195)]