383125220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 814968000

約数和(自身を除く): 431842780

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 349, 419, 524, 655, 698, 838, 1310, 1396, 1676, 1745, 2095, 2620, 3490, 4190, 6980, 8380, 45719, 54889, 91438, 109778, 146231, 182876, 219556, 228595, 274445, 292462, 457190, 548890, 584924, 731155, 914380, 1097780, 1462310, 2924620, 19156261, 38312522, 76625044, 95781305, 191562610, 383125220]

約数ペア:

[(1, 383125220), (2, 191562610), (4, 95781305), (5, 76625044), (10, 38312522), (20, 19156261), (131, 2924620), (262, 1462310), (349, 1097780), (419, 914380), (524, 731155), (655, 584924), (698, 548890), (838, 457190), (1310, 292462), (1396, 274445), (1676, 228595), (1745, 219556), (2095, 182876), (2620, 146231), (3490, 109778), (4190, 91438), (6980, 54889), (8380, 45719)]