1837990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 4366656

約数和(自身を除く): 2528666

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 49, 55, 62, 70, 77, 98, 110, 121, 154, 155, 217, 242, 245, 310, 341, 385, 434, 490, 539, 605, 682, 770, 847, 1078, 1085, 1210, 1519, 1694, 1705, 2170, 2387, 2695, 3038, 3410, 3751, 4235, 4774, 5390, 5929, 7502, 7595, 8470, 11858, 11935, 15190, 16709, 18755, 23870, 26257, 29645, 33418, 37510, 52514, 59290, 83545, 131285, 167090, 183799, 262570, 367598, 918995, 1837990]

約数ペア:

[(1, 1837990), (2, 918995), (5, 367598), (7, 262570), (10, 183799), (11, 167090), (14, 131285), (22, 83545), (31, 59290), (35, 52514), (49, 37510), (55, 33418), (62, 29645), (70, 26257), (77, 23870), (98, 18755), (110, 16709), (121, 15190), (154, 11935), (155, 11858), (217, 8470), (242, 7595), (245, 7502), (310, 5929), (341, 5390), (385, 4774), (434, 4235), (490, 3751), (539, 3410), (605, 3038), (682, 2695), (770, 2387), (847, 2170), (1078, 1705), (1085, 1694), (1210, 1519)]