156768620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{673}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 347622240

約数和(自身を除く): 190853620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 613, 673, 1226, 1346, 2452, 2692, 3065, 3365, 6130, 6730, 11647, 12260, 12787, 13460, 23294, 25574, 46588, 51148, 58235, 63935, 116470, 127870, 232940, 255740, 412549, 825098, 1650196, 2062745, 4125490, 7838431, 8250980, 15676862, 31353724, 39192155, 78384310, 156768620]

約数ペア:

[(1, 156768620), (2, 78384310), (4, 39192155), (5, 31353724), (10, 15676862), (19, 8250980), (20, 7838431), (38, 4125490), (76, 2062745), (95, 1650196), (190, 825098), (380, 412549), (613, 255740), (673, 232940), (1226, 127870), (1346, 116470), (2452, 63935), (2692, 58235), (3065, 51148), (3365, 46588), (6130, 25574), (6730, 23294), (11647, 13460), (12260, 12787)]