408930084

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{809}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 1090908000

約数和(自身を除く): 681977916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 739, 809, 1478, 1618, 2217, 2427, 2956, 3236, 4434, 4854, 6651, 7281, 8868, 9708, 13302, 14041, 14562, 15371, 26604, 28082, 29124, 30742, 42123, 46113, 56164, 61484, 84246, 92226, 126369, 138339, 168492, 184452, 252738, 276678, 505476, 553356, 597851, 1195702, 1793553, 2391404, 3587106, 5380659, 7174212, 10761318, 11359169, 21522636, 22718338, 34077507, 45436676, 68155014, 102232521, 136310028, 204465042, 408930084]

約数ペア:

[(1, 408930084), (2, 204465042), (3, 136310028), (4, 102232521), (6, 68155014), (9, 45436676), (12, 34077507), (18, 22718338), (19, 21522636), (36, 11359169), (38, 10761318), (57, 7174212), (76, 5380659), (114, 3587106), (171, 2391404), (228, 1793553), (342, 1195702), (684, 597851), (739, 553356), (809, 505476), (1478, 276678), (1618, 252738), (2217, 184452), (2427, 168492), (2956, 138339), (3236, 126369), (4434, 92226), (4854, 84246), (6651, 61484), (7281, 56164), (8868, 46113), (9708, 42123), (13302, 30742), (14041, 29124), (14562, 28082), (15371, 26604)]