1369175020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{3137}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 2915327520

約数和(自身を除く): 1546152500

約数列:

[1, 2, 4, 5, 10, 20, 139, 157, 278, 314, 556, 628, 695, 785, 1390, 1570, 2780, 3137, 3140, 6274, 12548, 15685, 21823, 31370, 43646, 62740, 87292, 109115, 218230, 436043, 436460, 492509, 872086, 985018, 1744172, 1970036, 2180215, 2462545, 4360430, 4925090, 8720860, 9850180, 68458751, 136917502, 273835004, 342293755, 684587510, 1369175020]

約数ペア:

[(1, 1369175020), (2, 684587510), (4, 342293755), (5, 273835004), (10, 136917502), (20, 68458751), (139, 9850180), (157, 8720860), (278, 4925090), (314, 4360430), (556, 2462545), (628, 2180215), (695, 1970036), (785, 1744172), (1390, 985018), (1570, 872086), (2780, 492509), (3137, 436460), (3140, 436043), (6274, 218230), (12548, 109115), (15685, 87292), (21823, 62740), (31370, 43646)]