888938180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179947}}^1$

素因数の和:179988

約数の個数: 48

約数和(自身を含む): 2116188480

約数和(自身を除く): 1227250300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 179947, 359894, 719788, 899735, 1799470, 2339311, 3418993, 3598940, 4678622, 6837986, 9357244, 11696555, 13675972, 17094965, 23393110, 34189930, 44446909, 46786220, 68379860, 88893818, 177787636, 222234545, 444469090, 888938180]

約数ペア:

[(1, 888938180), (2, 444469090), (4, 222234545), (5, 177787636), (10, 88893818), (13, 68379860), (19, 46786220), (20, 44446909), (26, 34189930), (38, 23393110), (52, 17094965), (65, 13675972), (76, 11696555), (95, 9357244), (130, 6837986), (190, 4678622), (247, 3598940), (260, 3418993), (380, 2339311), (494, 1799470), (988, 899735), (1235, 719788), (2470, 359894), (4940, 179947)]