1955590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 4424112

約数和(自身を除く): 2468522

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 307, 455, 490, 614, 637, 910, 1274, 1535, 2149, 3070, 3185, 3991, 4298, 6370, 7982, 10745, 15043, 19955, 21490, 27937, 30086, 39910, 55874, 75215, 139685, 150430, 195559, 279370, 391118, 977795, 1955590]

約数ペア:

[(1, 1955590), (2, 977795), (5, 391118), (7, 279370), (10, 195559), (13, 150430), (14, 139685), (26, 75215), (35, 55874), (49, 39910), (65, 30086), (70, 27937), (91, 21490), (98, 19955), (130, 15043), (182, 10745), (245, 7982), (307, 6370), (455, 4298), (490, 3991), (614, 3185), (637, 3070), (910, 2149), (1274, 1535)]