221007680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22279}}^1$

素因数の和:22327

約数の個数: 56

約数和(自身を含む): 543275520

約数和(自身を除く): 322267840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 22279, 44558, 89116, 111395, 178232, 222790, 356464, 445580, 690649, 712928, 891160, 1381298, 1425856, 1782320, 2762596, 3453245, 3564640, 5525192, 6906490, 7129280, 11050384, 13812980, 22100768, 27625960, 44201536, 55251920, 110503840, 221007680]

約数ペア:

[(1, 221007680), (2, 110503840), (4, 55251920), (5, 44201536), (8, 27625960), (10, 22100768), (16, 13812980), (20, 11050384), (31, 7129280), (32, 6906490), (40, 5525192), (62, 3564640), (64, 3453245), (80, 2762596), (124, 1782320), (155, 1425856), (160, 1381298), (248, 891160), (310, 712928), (320, 690649), (496, 445580), (620, 356464), (992, 222790), (1240, 178232), (1984, 111395), (2480, 89116), (4960, 44558), (9920, 22279)]