253889410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 491443200

約数和(自身を除く): 237553790

約数列:

[1, 2, 5, 10, 23, 46, 79, 89, 115, 157, 158, 178, 230, 314, 395, 445, 785, 790, 890, 1570, 1817, 2047, 3611, 3634, 4094, 7031, 7222, 9085, 10235, 12403, 13973, 14062, 18055, 18170, 20470, 24806, 27946, 35155, 36110, 62015, 69865, 70310, 124030, 139730, 161713, 285269, 321379, 323426, 570538, 642758, 808565, 1103867, 1426345, 1606895, 1617130, 2207734, 2852690, 3213790, 5519335, 11038670, 25388941, 50777882, 126944705, 253889410]

約数ペア:

[(1, 253889410), (2, 126944705), (5, 50777882), (10, 25388941), (23, 11038670), (46, 5519335), (79, 3213790), (89, 2852690), (115, 2207734), (157, 1617130), (158, 1606895), (178, 1426345), (230, 1103867), (314, 808565), (395, 642758), (445, 570538), (785, 323426), (790, 321379), (890, 285269), (1570, 161713), (1817, 139730), (2047, 124030), (3611, 70310), (3634, 69865), (4094, 62015), (7031, 36110), (7222, 35155), (9085, 27946), (10235, 24806), (12403, 20470), (13973, 18170), (14062, 18055)]