449404520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21319}}^1$

素因数の和:21378

約数の個数: 64

約数和(自身を含む): 1105228800

約数和(自身を除く): 655824280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 21319, 42638, 85276, 106595, 170552, 213190, 362423, 426380, 660889, 724846, 852760, 1321778, 1449692, 1812115, 2643556, 2899384, 3304445, 3624230, 5287112, 6608890, 7248460, 11235113, 13217780, 14496920, 22470226, 26435560, 44940452, 56175565, 89880904, 112351130, 224702260, 449404520]

約数ペア:

[(1, 449404520), (2, 224702260), (4, 112351130), (5, 89880904), (8, 56175565), (10, 44940452), (17, 26435560), (20, 22470226), (31, 14496920), (34, 13217780), (40, 11235113), (62, 7248460), (68, 6608890), (85, 5287112), (124, 3624230), (136, 3304445), (155, 2899384), (170, 2643556), (248, 1812115), (310, 1449692), (340, 1321778), (527, 852760), (620, 724846), (680, 660889), (1054, 426380), (1240, 362423), (2108, 213190), (2635, 170552), (4216, 106595), (5270, 85276), (10540, 42638), (21080, 21319)]