1004427220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1\times {\mathrm{1033}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 2148643728

約数和(自身を除く): 1144216508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 797, 1033, 1220, 1594, 2066, 3188, 3985, 4132, 5165, 7970, 10330, 15940, 20660, 48617, 63013, 97234, 126026, 194468, 243085, 252052, 315065, 486170, 630130, 823301, 972340, 1260260, 1646602, 3293204, 4116505, 8233010, 16466020, 50221361, 100442722, 200885444, 251106805, 502213610, 1004427220]

約数ペア:

[(1, 1004427220), (2, 502213610), (4, 251106805), (5, 200885444), (10, 100442722), (20, 50221361), (61, 16466020), (122, 8233010), (244, 4116505), (305, 3293204), (610, 1646602), (797, 1260260), (1033, 972340), (1220, 823301), (1594, 630130), (2066, 486170), (3188, 315065), (3985, 252052), (4132, 243085), (5165, 194468), (7970, 126026), (10330, 97234), (15940, 63013), (20660, 48617)]