157439890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 320371200

約数和(自身を除く): 162931310

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 79, 85, 95, 158, 170, 190, 323, 395, 617, 646, 790, 1234, 1343, 1501, 1615, 2686, 3002, 3085, 3230, 6170, 6715, 7505, 10489, 11723, 13430, 15010, 20978, 23446, 25517, 48743, 51034, 52445, 58615, 97486, 104890, 117230, 127585, 199291, 243715, 255170, 398582, 487430, 828631, 926117, 996455, 1657262, 1852234, 1992910, 4143155, 4630585, 8286310, 9261170, 15743989, 31487978, 78719945, 157439890]

約数ペア:

[(1, 157439890), (2, 78719945), (5, 31487978), (10, 15743989), (17, 9261170), (19, 8286310), (34, 4630585), (38, 4143155), (79, 1992910), (85, 1852234), (95, 1657262), (158, 996455), (170, 926117), (190, 828631), (323, 487430), (395, 398582), (617, 255170), (646, 243715), (790, 199291), (1234, 127585), (1343, 117230), (1501, 104890), (1615, 97486), (2686, 58615), (3002, 52445), (3085, 51034), (3230, 48743), (6170, 25517), (6715, 23446), (7505, 20978), (10489, 15010), (11723, 13430)]