4209640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 10368000

約数和(自身を除く): 6158360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 191, 232, 290, 380, 382, 551, 580, 760, 764, 955, 1102, 1160, 1528, 1910, 2204, 2755, 3629, 3820, 4408, 5510, 5539, 7258, 7640, 11020, 11078, 14516, 18145, 22040, 22156, 27695, 29032, 36290, 44312, 55390, 72580, 105241, 110780, 145160, 210482, 221560, 420964, 526205, 841928, 1052410, 2104820, 4209640]

約数ペア:

[(1, 4209640), (2, 2104820), (4, 1052410), (5, 841928), (8, 526205), (10, 420964), (19, 221560), (20, 210482), (29, 145160), (38, 110780), (40, 105241), (58, 72580), (76, 55390), (95, 44312), (116, 36290), (145, 29032), (152, 27695), (190, 22156), (191, 22040), (232, 18145), (290, 14516), (380, 11078), (382, 11020), (551, 7640), (580, 7258), (760, 5539), (764, 5510), (955, 4408), (1102, 3820), (1160, 3629), (1528, 2755), (1910, 2204)]