13216700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 33331200

約数和(自身を除く): 20114500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 239, 316, 350, 395, 478, 553, 700, 790, 956, 1106, 1195, 1580, 1673, 1975, 2212, 2390, 2765, 3346, 3950, 4780, 5530, 5975, 6692, 7900, 8365, 11060, 11950, 13825, 16730, 18881, 23900, 27650, 33460, 37762, 41825, 55300, 75524, 83650, 94405, 132167, 167300, 188810, 264334, 377620, 472025, 528668, 660835, 944050, 1321670, 1888100, 2643340, 3304175, 6608350, 13216700]

約数ペア:

[(1, 13216700), (2, 6608350), (4, 3304175), (5, 2643340), (7, 1888100), (10, 1321670), (14, 944050), (20, 660835), (25, 528668), (28, 472025), (35, 377620), (50, 264334), (70, 188810), (79, 167300), (100, 132167), (140, 94405), (158, 83650), (175, 75524), (239, 55300), (316, 41825), (350, 37762), (395, 33460), (478, 27650), (553, 23900), (700, 18881), (790, 16730), (956, 13825), (1106, 11950), (1195, 11060), (1580, 8365), (1673, 7900), (1975, 6692), (2212, 5975), (2390, 5530), (2765, 4780), (3346, 3950)]