777740140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53197}}^1$

素因数の和:53266

約数の個数: 48

約数和(自身を含む): 1769578272

約数和(自身を除く): 991838132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 53197, 106394, 212788, 265985, 531970, 904349, 1063940, 1808698, 2287471, 3617396, 4521745, 4574942, 9043490, 9149884, 11437355, 18086980, 22874710, 38887007, 45749420, 77774014, 155548028, 194435035, 388870070, 777740140]

約数ペア:

[(1, 777740140), (2, 388870070), (4, 194435035), (5, 155548028), (10, 77774014), (17, 45749420), (20, 38887007), (34, 22874710), (43, 18086980), (68, 11437355), (85, 9149884), (86, 9043490), (170, 4574942), (172, 4521745), (215, 3617396), (340, 2287471), (430, 1808698), (731, 1063940), (860, 904349), (1462, 531970), (2924, 265985), (3655, 212788), (7310, 106394), (14620, 53197)]