207905144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 423360000

約数和(自身を除く): 215454856

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 97, 118, 152, 194, 236, 239, 388, 472, 478, 776, 956, 1121, 1843, 1912, 2242, 3686, 4484, 4541, 5723, 7372, 8968, 9082, 11446, 14101, 14744, 18164, 22892, 23183, 28202, 36328, 45784, 46366, 56404, 92732, 108737, 112808, 185464, 217474, 267919, 434948, 440477, 535838, 869896, 880954, 1071676, 1367797, 1761908, 2143352, 2735594, 3523816, 5471188, 10942376, 25988143, 51976286, 103952572, 207905144]

約数ペア:

[(1, 207905144), (2, 103952572), (4, 51976286), (8, 25988143), (19, 10942376), (38, 5471188), (59, 3523816), (76, 2735594), (97, 2143352), (118, 1761908), (152, 1367797), (194, 1071676), (236, 880954), (239, 869896), (388, 535838), (472, 440477), (478, 434948), (776, 267919), (956, 217474), (1121, 185464), (1843, 112808), (1912, 108737), (2242, 92732), (3686, 56404), (4484, 46366), (4541, 45784), (5723, 36328), (7372, 28202), (8968, 23183), (9082, 22892), (11446, 18164), (14101, 14744)]