311948890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{2503}}^1$

素因数の和:2635

約数の個数: 48

約数和(自身を含む): 623435904

約数和(自身を除く): 311487014

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 206, 242, 515, 605, 1030, 1133, 1210, 2266, 2503, 5006, 5665, 11330, 12463, 12515, 24926, 25030, 27533, 55066, 62315, 124630, 137665, 257809, 275330, 302863, 515618, 605726, 1289045, 1514315, 2578090, 2835899, 3028630, 5671798, 14179495, 28358990, 31194889, 62389778, 155974445, 311948890]

約数ペア:

[(1, 311948890), (2, 155974445), (5, 62389778), (10, 31194889), (11, 28358990), (22, 14179495), (55, 5671798), (103, 3028630), (110, 2835899), (121, 2578090), (206, 1514315), (242, 1289045), (515, 605726), (605, 515618), (1030, 302863), (1133, 275330), (1210, 257809), (2266, 137665), (2503, 124630), (5006, 62315), (5665, 55066), (11330, 27533), (12463, 25030), (12515, 24926)]