49678144780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{289129}}^1$

素因数の和:289231

約数の個数: 72

約数和(自身を含む): 116285772960

約数和(自身を除く): 66607628180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1210, 1420, 1562, 2420, 3124, 3905, 7810, 8591, 15620, 17182, 34364, 42955, 85910, 171820, 289129, 578258, 1156516, 1445645, 2891290, 3180419, 5782580, 6360838, 12721676, 15902095, 20528159, 31804190, 34984609, 41056318, 63608380, 69969218, 82112636, 102640795, 139938436, 174923045, 205281590, 225809749, 349846090, 410563180, 451619498, 699692180, 903238996, 1129048745, 2258097490, 2483907239, 4516194980, 4967814478, 9935628956, 12419536195, 24839072390, 49678144780]

約数ペア:

[(1, 49678144780), (2, 24839072390), (4, 12419536195), (5, 9935628956), (10, 4967814478), (11, 4516194980), (20, 2483907239), (22, 2258097490), (44, 1129048745), (55, 903238996), (71, 699692180), (110, 451619498), (121, 410563180), (142, 349846090), (220, 225809749), (242, 205281590), (284, 174923045), (355, 139938436), (484, 102640795), (605, 82112636), (710, 69969218), (781, 63608380), (1210, 41056318), (1420, 34984609), (1562, 31804190), (2420, 20528159), (3124, 15902095), (3905, 12721676), (7810, 6360838), (8591, 5782580), (15620, 3180419), (17182, 2891290), (34364, 1445645), (42955, 1156516), (85910, 578258), (171820, 289129)]