31013080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15823}}^1$

素因数の和:15848

約数の個数: 48

約数和(自身を含む): 81177120

約数和(自身を除く): 50164040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15823, 31646, 63292, 79115, 110761, 126584, 158230, 221522, 316460, 443044, 553805, 632920, 775327, 886088, 1107610, 1550654, 2215220, 3101308, 3876635, 4430440, 6202616, 7753270, 15506540, 31013080]

約数ペア:

[(1, 31013080), (2, 15506540), (4, 7753270), (5, 6202616), (7, 4430440), (8, 3876635), (10, 3101308), (14, 2215220), (20, 1550654), (28, 1107610), (35, 886088), (40, 775327), (49, 632920), (56, 553805), (70, 443044), (98, 316460), (140, 221522), (196, 158230), (245, 126584), (280, 110761), (392, 79115), (490, 63292), (980, 31646), (1960, 15823)]