489790476

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{30851}}^1$

素因数の和:30881

約数の個数: 90

約数和(自身を含む): 1489503708

約数和(自身を除く): 999713232

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 30851, 61702, 92553, 123404, 185106, 215957, 277659, 370212, 431914, 555318, 647871, 832977, 863828, 1110636, 1295742, 1511699, 1665954, 1943613, 2498931, 2591484, 3023398, 3331908, 3887226, 4535097, 4997862, 5830839, 6046796, 7774452, 9070194, 9995724, 11661678, 13605291, 17492517, 18140388, 23323356, 27210582, 34985034, 40815873, 54421164, 69970068, 81631746, 122447619, 163263492, 244895238, 489790476]

約数ペア:

[(1, 489790476), (2, 244895238), (3, 163263492), (4, 122447619), (6, 81631746), (7, 69970068), (9, 54421164), (12, 40815873), (14, 34985034), (18, 27210582), (21, 23323356), (27, 18140388), (28, 17492517), (36, 13605291), (42, 11661678), (49, 9995724), (54, 9070194), (63, 7774452), (81, 6046796), (84, 5830839), (98, 4997862), (108, 4535097), (126, 3887226), (147, 3331908), (162, 3023398), (189, 2591484), (196, 2498931), (252, 1943613), (294, 1665954), (324, 1511699), (378, 1295742), (441, 1110636), (567, 863828), (588, 832977), (756, 647871), (882, 555318), (1134, 431914), (1323, 370212), (1764, 277659), (2268, 215957), (2646, 185106), (3969, 123404), (5292, 92553), (7938, 61702), (15876, 30851)]