1275850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1402550

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 79, 85, 95, 158, 170, 190, 323, 395, 425, 475, 646, 790, 850, 950, 1343, 1501, 1615, 1975, 2686, 3002, 3230, 3950, 6715, 7505, 8075, 13430, 15010, 16150, 25517, 33575, 37525, 51034, 67150, 75050, 127585, 255170, 637925, 1275850]

約数ペア:

[(1, 1275850), (2, 637925), (5, 255170), (10, 127585), (17, 75050), (19, 67150), (25, 51034), (34, 37525), (38, 33575), (50, 25517), (79, 16150), (85, 15010), (95, 13430), (158, 8075), (170, 7505), (190, 6715), (323, 3950), (395, 3230), (425, 3002), (475, 2686), (646, 1975), (790, 1615), (850, 1501), (950, 1343)]