306993400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{219281}}^1$

素因数の和:219304

約数の個数: 48

約数和(自身を含む): 815729040

約数和(自身を除く): 508735640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 219281, 438562, 877124, 1096405, 1534967, 1754248, 2192810, 3069934, 4385620, 5482025, 6139868, 7674835, 8771240, 10964050, 12279736, 15349670, 21928100, 30699340, 38374175, 43856200, 61398680, 76748350, 153496700, 306993400]

約数ペア:

[(1, 306993400), (2, 153496700), (4, 76748350), (5, 61398680), (7, 43856200), (8, 38374175), (10, 30699340), (14, 21928100), (20, 15349670), (25, 12279736), (28, 10964050), (35, 8771240), (40, 7674835), (50, 6139868), (56, 5482025), (70, 4385620), (100, 3069934), (140, 2192810), (175, 1754248), (200, 1534967), (280, 1096405), (350, 877124), (700, 438562), (1400, 219281)]