18904900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 28592060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 140, 175, 226, 239, 350, 452, 478, 565, 700, 791, 956, 1130, 1195, 1582, 1673, 2260, 2390, 2825, 3164, 3346, 3955, 4780, 5650, 5975, 6692, 7910, 8365, 11300, 11950, 15820, 16730, 19775, 23900, 27007, 33460, 39550, 41825, 54014, 79100, 83650, 108028, 135035, 167300, 189049, 270070, 378098, 540140, 675175, 756196, 945245, 1350350, 1890490, 2700700, 3780980, 4726225, 9452450, 18904900]

約数ペア:

[(1, 18904900), (2, 9452450), (4, 4726225), (5, 3780980), (7, 2700700), (10, 1890490), (14, 1350350), (20, 945245), (25, 756196), (28, 675175), (35, 540140), (50, 378098), (70, 270070), (100, 189049), (113, 167300), (140, 135035), (175, 108028), (226, 83650), (239, 79100), (350, 54014), (452, 41825), (478, 39550), (565, 33460), (700, 27007), (791, 23900), (956, 19775), (1130, 16730), (1195, 15820), (1582, 11950), (1673, 11300), (2260, 8365), (2390, 7910), (2825, 6692), (3164, 5975), (3346, 5650), (3955, 4780)]