1903140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 5885880

約数和(自身を除く): 3982740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 109, 180, 194, 218, 291, 327, 388, 436, 485, 545, 582, 654, 873, 970, 981, 1090, 1164, 1308, 1455, 1635, 1746, 1940, 1962, 2180, 2910, 3270, 3492, 3924, 4365, 4905, 5820, 6540, 8730, 9810, 10573, 17460, 19620, 21146, 31719, 42292, 52865, 63438, 95157, 105730, 126876, 158595, 190314, 211460, 317190, 380628, 475785, 634380, 951570, 1903140]

約数ペア:

[(1, 1903140), (2, 951570), (3, 634380), (4, 475785), (5, 380628), (6, 317190), (9, 211460), (10, 190314), (12, 158595), (15, 126876), (18, 105730), (20, 95157), (30, 63438), (36, 52865), (45, 42292), (60, 31719), (90, 21146), (97, 19620), (109, 17460), (180, 10573), (194, 9810), (218, 8730), (291, 6540), (327, 5820), (388, 4905), (436, 4365), (485, 3924), (545, 3492), (582, 3270), (654, 2910), (873, 2180), (970, 1962), (981, 1940), (1090, 1746), (1164, 1635), (1308, 1455)]