212804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{733}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 524252160

約数和(自身を除く): 311447600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 304, 380, 382, 733, 760, 764, 955, 1466, 1520, 1528, 1910, 2932, 3056, 3629, 3665, 3820, 5864, 7258, 7330, 7640, 11728, 13927, 14516, 14660, 15280, 18145, 27854, 29032, 29320, 36290, 55708, 58064, 58640, 69635, 72580, 111416, 139270, 140003, 145160, 222832, 278540, 280006, 290320, 557080, 560012, 700015, 1114160, 1120024, 1400030, 2240048, 2660057, 2800060, 5320114, 5600120, 10640228, 11200240, 13300285, 21280456, 26600570, 42560912, 53201140, 106402280, 212804560]

約数ペア:

[(1, 212804560), (2, 106402280), (4, 53201140), (5, 42560912), (8, 26600570), (10, 21280456), (16, 13300285), (19, 11200240), (20, 10640228), (38, 5600120), (40, 5320114), (76, 2800060), (80, 2660057), (95, 2240048), (152, 1400030), (190, 1120024), (191, 1114160), (304, 700015), (380, 560012), (382, 557080), (733, 290320), (760, 280006), (764, 278540), (955, 222832), (1466, 145160), (1520, 140003), (1528, 139270), (1910, 111416), (2932, 72580), (3056, 69635), (3629, 58640), (3665, 58064), (3820, 55708), (5864, 36290), (7258, 29320), (7330, 29032), (7640, 27854), (11728, 18145), (13927, 15280), (14516, 14660)]