70905900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{18181}}^1$

素因数の和:18211

約数の個数: 72

約数和(自身を含む): 220947664

約数和(自身を除く): 150041764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 18181, 36362, 54543, 72724, 90905, 109086, 181810, 218172, 236353, 272715, 363620, 454525, 472706, 545430, 709059, 909050, 945412, 1090860, 1181765, 1363575, 1418118, 1818100, 2363530, 2727150, 2836236, 3545295, 4727060, 5454300, 5908825, 7090590, 11817650, 14181180, 17726475, 23635300, 35452950, 70905900]

約数ペア:

[(1, 70905900), (2, 35452950), (3, 23635300), (4, 17726475), (5, 14181180), (6, 11817650), (10, 7090590), (12, 5908825), (13, 5454300), (15, 4727060), (20, 3545295), (25, 2836236), (26, 2727150), (30, 2363530), (39, 1818100), (50, 1418118), (52, 1363575), (60, 1181765), (65, 1090860), (75, 945412), (78, 909050), (100, 709059), (130, 545430), (150, 472706), (156, 454525), (195, 363620), (260, 272715), (300, 236353), (325, 218172), (390, 181810), (650, 109086), (780, 90905), (975, 72724), (1300, 54543), (1950, 36362), (3900, 18181)]