1900698020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{9839}}^1$

素因数の和:10604

約数の個数: 48

約数和(自身を含む): 4304724480

約数和(自身を除く): 2404026460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 743, 1486, 2972, 3715, 7430, 9659, 9839, 14860, 19318, 19678, 38636, 39356, 48295, 49195, 96590, 98390, 127907, 193180, 196780, 255814, 511628, 639535, 1279070, 2558140, 7310377, 14620754, 29241508, 36551885, 73103770, 95034901, 146207540, 190069802, 380139604, 475174505, 950349010, 1900698020]

約数ペア:

[(1, 1900698020), (2, 950349010), (4, 475174505), (5, 380139604), (10, 190069802), (13, 146207540), (20, 95034901), (26, 73103770), (52, 36551885), (65, 29241508), (130, 14620754), (260, 7310377), (743, 2558140), (1486, 1279070), (2972, 639535), (3715, 511628), (7430, 255814), (9659, 196780), (9839, 193180), (14860, 127907), (19318, 98390), (19678, 96590), (38636, 49195), (39356, 48295)]