238795620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{81223}}^1$

素因数の和:81249

約数の個数: 72

約数和(自身を含む): 777801024

約数和(自身を除く): 539005404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 81223, 162446, 243669, 324892, 406115, 487338, 568561, 812230, 974676, 1137122, 1218345, 1624460, 1705683, 2274244, 2436690, 2842805, 3411366, 3979927, 4873380, 5685610, 6822732, 7959854, 8528415, 11371220, 11939781, 15919708, 17056830, 19899635, 23879562, 34113660, 39799270, 47759124, 59698905, 79598540, 119397810, 238795620]

約数ペア:

[(1, 238795620), (2, 119397810), (3, 79598540), (4, 59698905), (5, 47759124), (6, 39799270), (7, 34113660), (10, 23879562), (12, 19899635), (14, 17056830), (15, 15919708), (20, 11939781), (21, 11371220), (28, 8528415), (30, 7959854), (35, 6822732), (42, 5685610), (49, 4873380), (60, 3979927), (70, 3411366), (84, 2842805), (98, 2436690), (105, 2274244), (140, 1705683), (147, 1624460), (196, 1218345), (210, 1137122), (245, 974676), (294, 812230), (420, 568561), (490, 487338), (588, 406115), (735, 324892), (980, 243669), (1470, 162446), (2940, 81223)]