1900525820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1\times {\mathrm{1597}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 4029644640

約数和(自身を除く): 2129118820

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 379, 628, 758, 785, 1516, 1570, 1597, 1895, 3140, 3194, 3790, 6388, 7580, 7985, 15970, 31940, 59503, 119006, 238012, 250729, 297515, 501458, 595030, 605263, 1002916, 1190060, 1210526, 1253645, 2421052, 2507290, 3026315, 5014580, 6052630, 12105260, 95026291, 190052582, 380105164, 475131455, 950262910, 1900525820]

約数ペア:

[(1, 1900525820), (2, 950262910), (4, 475131455), (5, 380105164), (10, 190052582), (20, 95026291), (157, 12105260), (314, 6052630), (379, 5014580), (628, 3026315), (758, 2507290), (785, 2421052), (1516, 1253645), (1570, 1210526), (1597, 1190060), (1895, 1002916), (3140, 605263), (3194, 595030), (3790, 501458), (6388, 297515), (7580, 250729), (7985, 238012), (15970, 119006), (31940, 59503)]