50991850

素因数分解:

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

素因数の和:1640

約数の個数: 72

約数和(自身を含む): 118890828

約数和(自身を除く): 67898978

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 1601, 2275, 2450, 3185, 3202, 4550, 6370, 8005, 11207, 15925, 16010, 20813, 22414, 31850, 40025, 41626, 56035, 78449, 80050, 104065, 112070, 145691, 156898, 208130, 280175, 291382, 392245, 520325, 560350, 728455, 784490, 1019837, 1040650, 1456910, 1961225, 2039674, 3642275, 3922450, 5099185, 7284550, 10198370, 25495925, 50991850]

約数ペア:

[(1, 50991850), (2, 25495925), (5, 10198370), (7, 7284550), (10, 5099185), (13, 3922450), (14, 3642275), (25, 2039674), (26, 1961225), (35, 1456910), (49, 1040650), (50, 1019837), (65, 784490), (70, 728455), (91, 560350), (98, 520325), (130, 392245), (175, 291382), (182, 280175), (245, 208130), (325, 156898), (350, 145691), (455, 112070), (490, 104065), (637, 80050), (650, 78449), (910, 56035), (1225, 41626), (1274, 40025), (1601, 31850), (2275, 22414), (2450, 20813), (3185, 16010), (3202, 15925), (4550, 11207), (6370, 8005)]