401064920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7229}}^1$

素因数の和:7332

約数の個数: 64

約数和(自身を含む): 963036000

約数和(自身を除く): 561971080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2774, 2920, 5548, 6935, 7229, 11096, 13870, 14458, 27740, 28916, 36145, 55480, 57832, 72290, 137351, 144580, 274702, 289160, 527717, 549404, 686755, 1055434, 1098808, 1373510, 2110868, 2638585, 2747020, 4221736, 5277170, 5494040, 10026623, 10554340, 20053246, 21108680, 40106492, 50133115, 80212984, 100266230, 200532460, 401064920]

約数ペア:

[(1, 401064920), (2, 200532460), (4, 100266230), (5, 80212984), (8, 50133115), (10, 40106492), (19, 21108680), (20, 20053246), (38, 10554340), (40, 10026623), (73, 5494040), (76, 5277170), (95, 4221736), (146, 2747020), (152, 2638585), (190, 2110868), (292, 1373510), (365, 1098808), (380, 1055434), (584, 686755), (730, 549404), (760, 527717), (1387, 289160), (1460, 274702), (2774, 144580), (2920, 137351), (5548, 72290), (6935, 57832), (7229, 55480), (11096, 36145), (13870, 28916), (14458, 27740)]