211966020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168227}}^1$

素因数の和:168249

約数の個数: 72

約数和(自身を含む): 734819904

約数和(自身を除く): 522853884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 168227, 336454, 504681, 672908, 841135, 1009362, 1177589, 1514043, 1682270, 2018724, 2355178, 2523405, 3028086, 3364540, 3532767, 4710356, 5046810, 5887945, 6056172, 7065534, 7570215, 10093620, 10598301, 11775890, 14131068, 15140430, 17663835, 21196602, 23551780, 30280860, 35327670, 42393204, 52991505, 70655340, 105983010, 211966020]

約数ペア:

[(1, 211966020), (2, 105983010), (3, 70655340), (4, 52991505), (5, 42393204), (6, 35327670), (7, 30280860), (9, 23551780), (10, 21196602), (12, 17663835), (14, 15140430), (15, 14131068), (18, 11775890), (20, 10598301), (21, 10093620), (28, 7570215), (30, 7065534), (35, 6056172), (36, 5887945), (42, 5046810), (45, 4710356), (60, 3532767), (63, 3364540), (70, 3028086), (84, 2523405), (90, 2355178), (105, 2018724), (126, 1682270), (140, 1514043), (180, 1177589), (210, 1009362), (252, 841135), (315, 672908), (420, 504681), (630, 336454), (1260, 168227)]