128460430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{63281}}^1$

素因数の和:63324

約数の個数: 32

約数和(自身を含む): 273378240

約数和(自身を除く): 144917810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 63281, 126562, 316405, 442967, 632810, 885934, 1835149, 2214835, 3670298, 4429670, 9175745, 12846043, 18351490, 25692086, 64230215, 128460430]

約数ペア:

[(1, 128460430), (2, 64230215), (5, 25692086), (7, 18351490), (10, 12846043), (14, 9175745), (29, 4429670), (35, 3670298), (58, 2214835), (70, 1835149), (145, 885934), (203, 632810), (290, 442967), (406, 316405), (1015, 126562), (2030, 63281)]