34428760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 82620000

約数和(自身を除く): 48191240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 509, 712, 760, 890, 1018, 1691, 1780, 2036, 2545, 3382, 3560, 4072, 5090, 6764, 8455, 9671, 10180, 13528, 16910, 19342, 20360, 33820, 38684, 45301, 48355, 67640, 77368, 90602, 96710, 181204, 193420, 226505, 362408, 386840, 453010, 860719, 906020, 1721438, 1812040, 3442876, 4303595, 6885752, 8607190, 17214380, 34428760]

約数ペア:

[(1, 34428760), (2, 17214380), (4, 8607190), (5, 6885752), (8, 4303595), (10, 3442876), (19, 1812040), (20, 1721438), (38, 906020), (40, 860719), (76, 453010), (89, 386840), (95, 362408), (152, 226505), (178, 193420), (190, 181204), (356, 96710), (380, 90602), (445, 77368), (509, 67640), (712, 48355), (760, 45301), (890, 38684), (1018, 33820), (1691, 20360), (1780, 19342), (2036, 16910), (2545, 13528), (3382, 10180), (3560, 9671), (4072, 8455), (5090, 6764)]