1993810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 4510296

約数和(自身を除く): 2516486

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 313, 455, 490, 626, 637, 910, 1274, 1565, 2191, 3130, 3185, 4069, 4382, 6370, 8138, 10955, 15337, 20345, 21910, 28483, 30674, 40690, 56966, 76685, 142415, 153370, 199381, 284830, 398762, 996905, 1993810]

約数ペア:

[(1, 1993810), (2, 996905), (5, 398762), (7, 284830), (10, 199381), (13, 153370), (14, 142415), (26, 76685), (35, 56966), (49, 40690), (65, 30674), (70, 28483), (91, 21910), (98, 20345), (130, 15337), (182, 10955), (245, 8138), (313, 6370), (455, 4382), (490, 4069), (626, 3185), (637, 3130), (910, 2191), (1274, 1565)]