1278622730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{150959}}^1$

素因数の和:150995

約数の個数: 48

約数和(自身を含む): 2891185920

約数和(自身を除く): 1612563190

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 150959, 301918, 754795, 1056713, 1509590, 1660549, 2113426, 3321098, 5283565, 8302745, 10567130, 11623843, 16605490, 18266039, 23247686, 36532078, 58119215, 91330195, 116238430, 127862273, 182660390, 255724546, 639311365, 1278622730]

約数ペア:

[(1, 1278622730), (2, 639311365), (5, 255724546), (7, 182660390), (10, 127862273), (11, 116238430), (14, 91330195), (22, 58119215), (35, 36532078), (55, 23247686), (70, 18266039), (77, 16605490), (110, 11623843), (121, 10567130), (154, 8302745), (242, 5283565), (385, 3321098), (605, 2113426), (770, 1660549), (847, 1509590), (1210, 1056713), (1694, 754795), (4235, 301918), (8470, 150959)]