138456420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121453}}^1$

素因数の和:121484

約数の個数: 48

約数和(自身を含む): 408085440

約数和(自身を除く): 269629020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 121453, 242906, 364359, 485812, 607265, 728718, 1214530, 1457436, 1821795, 2307607, 2429060, 3643590, 4615214, 6922821, 7287180, 9230428, 11538035, 13845642, 23076070, 27691284, 34614105, 46152140, 69228210, 138456420]

約数ペア:

[(1, 138456420), (2, 69228210), (3, 46152140), (4, 34614105), (5, 27691284), (6, 23076070), (10, 13845642), (12, 11538035), (15, 9230428), (19, 7287180), (20, 6922821), (30, 4615214), (38, 3643590), (57, 2429060), (60, 2307607), (76, 1821795), (95, 1457436), (114, 1214530), (190, 728718), (228, 607265), (285, 485812), (380, 364359), (570, 242906), (1140, 121453)]