7865380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 9552860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 191, 284, 290, 355, 382, 580, 710, 764, 955, 1420, 1910, 2059, 3820, 4118, 5539, 8236, 10295, 11078, 13561, 20590, 22156, 27122, 27695, 41180, 54244, 55390, 67805, 110780, 135610, 271220, 393269, 786538, 1573076, 1966345, 3932690, 7865380]

約数ペア:

[(1, 7865380), (2, 3932690), (4, 1966345), (5, 1573076), (10, 786538), (20, 393269), (29, 271220), (58, 135610), (71, 110780), (116, 67805), (142, 55390), (145, 54244), (191, 41180), (284, 27695), (290, 27122), (355, 22156), (382, 20590), (580, 13561), (710, 11078), (764, 10295), (955, 8236), (1420, 5539), (1910, 4118), (2059, 3820)]