27719890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 28970030

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 739, 1210, 1478, 1705, 3410, 3695, 3751, 7390, 7502, 8129, 16258, 18755, 22909, 37510, 40645, 45818, 81290, 89419, 114545, 178838, 229090, 251999, 447095, 503998, 894190, 1259995, 2519990, 2771989, 5543978, 13859945, 27719890]

約数ペア:

[(1, 27719890), (2, 13859945), (5, 5543978), (10, 2771989), (11, 2519990), (22, 1259995), (31, 894190), (55, 503998), (62, 447095), (110, 251999), (121, 229090), (155, 178838), (242, 114545), (310, 89419), (341, 81290), (605, 45818), (682, 40645), (739, 37510), (1210, 22909), (1478, 18755), (1705, 16258), (3410, 8129), (3695, 7502), (3751, 7390)]