7404280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 18597600

約数和(自身を除く): 11193320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 491, 520, 580, 754, 982, 1160, 1508, 1885, 1964, 2455, 3016, 3770, 3928, 4910, 6383, 7540, 9820, 12766, 14239, 15080, 19640, 25532, 28478, 31915, 51064, 56956, 63830, 71195, 113912, 127660, 142390, 185107, 255320, 284780, 370214, 569560, 740428, 925535, 1480856, 1851070, 3702140, 7404280]

約数ペア:

[(1, 7404280), (2, 3702140), (4, 1851070), (5, 1480856), (8, 925535), (10, 740428), (13, 569560), (20, 370214), (26, 284780), (29, 255320), (40, 185107), (52, 142390), (58, 127660), (65, 113912), (104, 71195), (116, 63830), (130, 56956), (145, 51064), (232, 31915), (260, 28478), (290, 25532), (377, 19640), (491, 15080), (520, 14239), (580, 12766), (754, 9820), (982, 7540), (1160, 6383), (1508, 4910), (1885, 3928), (1964, 3770), (2455, 3016)]