280386290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 536699520

約数和(自身を除く): 256313230

約数列:

[1, 2, 5, 10, 41, 59, 67, 82, 118, 134, 173, 205, 295, 335, 346, 410, 590, 670, 865, 1730, 2419, 2747, 3953, 4838, 5494, 7093, 7906, 10207, 11591, 12095, 13735, 14186, 19765, 20414, 23182, 24190, 27470, 35465, 39530, 51035, 57955, 70930, 102070, 115910, 162073, 324146, 418487, 475231, 683869, 810365, 836974, 950462, 1367738, 1620730, 2092435, 2376155, 3419345, 4184870, 4752310, 6838690, 28038629, 56077258, 140193145, 280386290]

約数ペア:

[(1, 280386290), (2, 140193145), (5, 56077258), (10, 28038629), (41, 6838690), (59, 4752310), (67, 4184870), (82, 3419345), (118, 2376155), (134, 2092435), (173, 1620730), (205, 1367738), (295, 950462), (335, 836974), (346, 810365), (410, 683869), (590, 475231), (670, 418487), (865, 324146), (1730, 162073), (2419, 115910), (2747, 102070), (3953, 70930), (4838, 57955), (5494, 51035), (7093, 39530), (7906, 35465), (10207, 27470), (11591, 24190), (12095, 23182), (13735, 20414), (14186, 19765)]