251708380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2339

約数の個数: 96

約数和(自身を含む): 668344320

約数和(自身を除く): 416635940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 220, 292, 308, 365, 385, 511, 730, 770, 803, 1022, 1460, 1540, 1606, 2044, 2239, 2555, 3212, 4015, 4478, 5110, 5621, 8030, 8956, 10220, 11195, 11242, 15673, 16060, 22390, 22484, 24629, 28105, 31346, 44780, 49258, 56210, 62692, 78365, 98516, 112420, 123145, 156730, 163447, 172403, 246290, 313460, 326894, 344806, 492580, 653788, 689612, 817235, 862015, 1144129, 1634470, 1724030, 1797917, 2288258, 3268940, 3448060, 3595834, 4576516, 5720645, 7191668, 8989585, 11441290, 12585419, 17979170, 22882580, 25170838, 35958340, 50341676, 62927095, 125854190, 251708380]

約数ペア:

[(1, 251708380), (2, 125854190), (4, 62927095), (5, 50341676), (7, 35958340), (10, 25170838), (11, 22882580), (14, 17979170), (20, 12585419), (22, 11441290), (28, 8989585), (35, 7191668), (44, 5720645), (55, 4576516), (70, 3595834), (73, 3448060), (77, 3268940), (110, 2288258), (140, 1797917), (146, 1724030), (154, 1634470), (220, 1144129), (292, 862015), (308, 817235), (365, 689612), (385, 653788), (511, 492580), (730, 344806), (770, 326894), (803, 313460), (1022, 246290), (1460, 172403), (1540, 163447), (1606, 156730), (2044, 123145), (2239, 112420), (2555, 98516), (3212, 78365), (4015, 62692), (4478, 56210), (5110, 49258), (5621, 44780), (8030, 31346), (8956, 28105), (10220, 24629), (11195, 22484), (11242, 22390), (15673, 16060)]