289742180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{159199}}^1$

素因数の和:159228

約数の個数: 48

約数和(自身を含む): 748876800

約数和(自身を除く): 459134620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 159199, 318398, 636796, 795995, 1114393, 1591990, 2069587, 2228786, 3183980, 4139174, 4457572, 5571965, 8278348, 10347935, 11143930, 14487109, 20695870, 22287860, 28974218, 41391740, 57948436, 72435545, 144871090, 289742180]

約数ペア:

[(1, 289742180), (2, 144871090), (4, 72435545), (5, 57948436), (7, 41391740), (10, 28974218), (13, 22287860), (14, 20695870), (20, 14487109), (26, 11143930), (28, 10347935), (35, 8278348), (52, 5571965), (65, 4457572), (70, 4139174), (91, 3183980), (130, 2228786), (140, 2069587), (182, 1591990), (260, 1114393), (364, 795995), (455, 636796), (910, 318398), (1820, 159199)]