235302020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 507608640

約数和(自身を除く): 272306620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 419, 430, 653, 838, 860, 1306, 1676, 2095, 2612, 3265, 4190, 6530, 8380, 13060, 18017, 28079, 36034, 56158, 72068, 90085, 112316, 140395, 180170, 273607, 280790, 360340, 547214, 561580, 1094428, 1368035, 2736070, 5472140, 11765101, 23530202, 47060404, 58825505, 117651010, 235302020]

約数ペア:

[(1, 235302020), (2, 117651010), (4, 58825505), (5, 47060404), (10, 23530202), (20, 11765101), (43, 5472140), (86, 2736070), (172, 1368035), (215, 1094428), (419, 561580), (430, 547214), (653, 360340), (838, 280790), (860, 273607), (1306, 180170), (1676, 140395), (2095, 112316), (2612, 90085), (3265, 72068), (4190, 56158), (6530, 36034), (8380, 28079), (13060, 18017)]