390961360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{212479}}^1$

素因数の和:212515

約数の個数: 40

約数和(自身を含む): 948510720

約数和(自身を除く): 557549360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 212479, 424958, 849916, 1062395, 1699832, 2124790, 3399664, 4249580, 4887017, 8499160, 9774034, 16998320, 19548068, 24435085, 39096136, 48870170, 78192272, 97740340, 195480680, 390961360]

約数ペア:

[(1, 390961360), (2, 195480680), (4, 97740340), (5, 78192272), (8, 48870170), (10, 39096136), (16, 24435085), (20, 19548068), (23, 16998320), (40, 9774034), (46, 8499160), (80, 4887017), (92, 4249580), (115, 3399664), (184, 2124790), (230, 1699832), (368, 1062395), (460, 849916), (920, 424958), (1840, 212479)]