49120820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20672

約数の個数: 48

約数和(自身を含む): 124830720

約数和(自身を除く): 75709900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 20639, 41278, 82556, 103195, 144473, 206390, 288946, 350863, 412780, 577892, 701726, 722365, 1403452, 1444730, 1754315, 2456041, 2889460, 3508630, 4912082, 7017260, 9824164, 12280205, 24560410, 49120820]

約数ペア:

[(1, 49120820), (2, 24560410), (4, 12280205), (5, 9824164), (7, 7017260), (10, 4912082), (14, 3508630), (17, 2889460), (20, 2456041), (28, 1754315), (34, 1444730), (35, 1403452), (68, 722365), (70, 701726), (85, 577892), (119, 412780), (140, 350863), (170, 288946), (238, 206390), (340, 144473), (476, 103195), (595, 82556), (1190, 41278), (2380, 20639)]