100118920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 247665600

約数和(自身を除く): 147546680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 1637, 2780, 3058, 3274, 5560, 6116, 6548, 7645, 8185, 12232, 13096, 15290, 16370, 18007, 30580, 32740, 36014, 61160, 65480, 72028, 90035, 144056, 180070, 227543, 360140, 455086, 720280, 910172, 1137715, 1820344, 2275430, 2502973, 4550860, 5005946, 9101720, 10011892, 12514865, 20023784, 25029730, 50059460, 100118920]

約数ペア:

[(1, 100118920), (2, 50059460), (4, 25029730), (5, 20023784), (8, 12514865), (10, 10011892), (11, 9101720), (20, 5005946), (22, 4550860), (40, 2502973), (44, 2275430), (55, 1820344), (88, 1137715), (110, 910172), (139, 720280), (220, 455086), (278, 360140), (440, 227543), (556, 180070), (695, 144056), (1112, 90035), (1390, 72028), (1529, 65480), (1637, 61160), (2780, 36014), (3058, 32740), (3274, 30580), (5560, 18007), (6116, 16370), (6548, 15290), (7645, 13096), (8185, 12232)]