67777100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 153698496

約数和(自身を除く): 85921396

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 122, 164, 205, 244, 271, 305, 410, 542, 610, 820, 1025, 1084, 1220, 1355, 1525, 2050, 2501, 2710, 3050, 4100, 5002, 5420, 6100, 6775, 10004, 11111, 12505, 13550, 16531, 22222, 25010, 27100, 33062, 44444, 50020, 55555, 62525, 66124, 82655, 111110, 125050, 165310, 222220, 250100, 277775, 330620, 413275, 555550, 677771, 826550, 1111100, 1355542, 1653100, 2711084, 3388855, 6777710, 13555420, 16944275, 33888550, 67777100]

約数ペア:

[(1, 67777100), (2, 33888550), (4, 16944275), (5, 13555420), (10, 6777710), (20, 3388855), (25, 2711084), (41, 1653100), (50, 1355542), (61, 1111100), (82, 826550), (100, 677771), (122, 555550), (164, 413275), (205, 330620), (244, 277775), (271, 250100), (305, 222220), (410, 165310), (542, 125050), (610, 111110), (820, 82655), (1025, 66124), (1084, 62525), (1220, 55555), (1355, 50020), (1525, 44444), (2050, 33062), (2501, 27100), (2710, 25010), (3050, 22222), (4100, 16531), (5002, 13550), (5420, 12505), (6100, 11111), (6775, 10004)]