1264144700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{138917}}^1$

素因数の和:138951

約数の個数: 72

約数和(自身を含む): 3376263072

約数和(自身を除く): 2112118372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 138917, 277834, 555668, 694585, 972419, 1389170, 1805921, 1944838, 2778340, 3472925, 3611842, 3889676, 4862095, 6945850, 7223684, 9029605, 9724190, 12641447, 13891700, 18059210, 19448380, 24310475, 25282894, 36118420, 45148025, 48620950, 50565788, 63207235, 90296050, 97241900, 126414470, 180592100, 252828940, 316036175, 632072350, 1264144700]

約数ペア:

[(1, 1264144700), (2, 632072350), (4, 316036175), (5, 252828940), (7, 180592100), (10, 126414470), (13, 97241900), (14, 90296050), (20, 63207235), (25, 50565788), (26, 48620950), (28, 45148025), (35, 36118420), (50, 25282894), (52, 24310475), (65, 19448380), (70, 18059210), (91, 13891700), (100, 12641447), (130, 9724190), (140, 9029605), (175, 7223684), (182, 6945850), (260, 4862095), (325, 3889676), (350, 3611842), (364, 3472925), (455, 2778340), (650, 1944838), (700, 1805921), (910, 1389170), (1300, 972419), (1820, 694585), (2275, 555668), (4550, 277834), (9100, 138917)]