1877277980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 3969000000

約数和(自身を除く): 2091722020

約数列:

[1, 2, 4, 5, 10, 20, 349, 449, 599, 698, 898, 1198, 1396, 1745, 1796, 2245, 2396, 2995, 3490, 4490, 5990, 6980, 8980, 11980, 156701, 209051, 268951, 313402, 418102, 537902, 626804, 783505, 836204, 1045255, 1075804, 1344755, 1567010, 2090510, 2689510, 3134020, 4181020, 5379020, 93863899, 187727798, 375455596, 469319495, 938638990, 1877277980]

約数ペア:

[(1, 1877277980), (2, 938638990), (4, 469319495), (5, 375455596), (10, 187727798), (20, 93863899), (349, 5379020), (449, 4181020), (599, 3134020), (698, 2689510), (898, 2090510), (1198, 1567010), (1396, 1344755), (1745, 1075804), (1796, 1045255), (2245, 836204), (2396, 783505), (2995, 626804), (3490, 537902), (4490, 418102), (5990, 313402), (6980, 268951), (8980, 209051), (11980, 156701)]