90896680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1$

素因数の和:4538

約数の個数: 64

約数和(自身を含む): 236989440

約数和(自身を除く): 146092760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 4447, 5110, 8894, 10220, 17788, 20440, 22235, 31129, 35576, 44470, 62258, 88940, 124516, 155645, 177880, 249032, 311290, 324631, 622580, 649262, 1245160, 1298524, 1623155, 2272417, 2597048, 3246310, 4544834, 6492620, 9089668, 11362085, 12985240, 18179336, 22724170, 45448340, 90896680]

約数ペア:

[(1, 90896680), (2, 45448340), (4, 22724170), (5, 18179336), (7, 12985240), (8, 11362085), (10, 9089668), (14, 6492620), (20, 4544834), (28, 3246310), (35, 2597048), (40, 2272417), (56, 1623155), (70, 1298524), (73, 1245160), (140, 649262), (146, 622580), (280, 324631), (292, 311290), (365, 249032), (511, 177880), (584, 155645), (730, 124516), (1022, 88940), (1460, 62258), (2044, 44470), (2555, 35576), (2920, 31129), (4088, 22235), (4447, 20440), (5110, 17788), (8894, 10220)]