71388590

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 161481600

約数和(自身を除く): 90093010

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1601, 1715, 3185, 3202, 3430, 4459, 6370, 8005, 8918, 11207, 16010, 20813, 22295, 22414, 41626, 44590, 56035, 78449, 104065, 112070, 145691, 156898, 208130, 291382, 392245, 549143, 728455, 784490, 1019837, 1098286, 1456910, 2039674, 2745715, 5099185, 5491430, 7138859, 10198370, 14277718, 35694295, 71388590]

約数ペア:

[(1, 71388590), (2, 35694295), (5, 14277718), (7, 10198370), (10, 7138859), (13, 5491430), (14, 5099185), (26, 2745715), (35, 2039674), (49, 1456910), (65, 1098286), (70, 1019837), (91, 784490), (98, 728455), (130, 549143), (182, 392245), (245, 291382), (343, 208130), (455, 156898), (490, 145691), (637, 112070), (686, 104065), (910, 78449), (1274, 56035), (1601, 44590), (1715, 41626), (3185, 22414), (3202, 22295), (3430, 20813), (4459, 16010), (6370, 11207), (8005, 8918)]