7372760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 17820000

約数和(自身を除く): 10447240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 109, 152, 178, 190, 218, 356, 380, 436, 445, 545, 712, 760, 872, 890, 1090, 1691, 1780, 2071, 2180, 3382, 3560, 4142, 4360, 6764, 8284, 8455, 9701, 10355, 13528, 16568, 16910, 19402, 20710, 33820, 38804, 41420, 48505, 67640, 77608, 82840, 97010, 184319, 194020, 368638, 388040, 737276, 921595, 1474552, 1843190, 3686380, 7372760]

約数ペア:

[(1, 7372760), (2, 3686380), (4, 1843190), (5, 1474552), (8, 921595), (10, 737276), (19, 388040), (20, 368638), (38, 194020), (40, 184319), (76, 97010), (89, 82840), (95, 77608), (109, 67640), (152, 48505), (178, 41420), (190, 38804), (218, 33820), (356, 20710), (380, 19402), (436, 16910), (445, 16568), (545, 13528), (712, 10355), (760, 9701), (872, 8455), (890, 8284), (1090, 6764), (1691, 4360), (1780, 4142), (2071, 3560), (2180, 3382)]