145614440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117431}}^1$

素因数の和:117473

約数の個数: 32

約数和(自身を含む): 338204160

約数和(自身を除く): 192589720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117431, 234862, 469724, 587155, 939448, 1174310, 2348620, 3640361, 4697240, 7280722, 14561444, 18201805, 29122888, 36403610, 72807220, 145614440]

約数ペア:

[(1, 145614440), (2, 72807220), (4, 36403610), (5, 29122888), (8, 18201805), (10, 14561444), (20, 7280722), (31, 4697240), (40, 3640361), (62, 2348620), (124, 1174310), (155, 939448), (248, 587155), (310, 469724), (620, 234862), (1240, 117431)]