209858200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61723}}^1$

素因数の和:61756

約数の個数: 48

約数和(自身を含む): 516629880

約数和(自身を除く): 306771680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 61723, 123446, 246892, 308615, 493784, 617230, 1049291, 1234460, 1543075, 2098582, 2468920, 3086150, 4197164, 5246455, 6172300, 8394328, 10492910, 12344600, 20985820, 26232275, 41971640, 52464550, 104929100, 209858200]

約数ペア:

[(1, 209858200), (2, 104929100), (4, 52464550), (5, 41971640), (8, 26232275), (10, 20985820), (17, 12344600), (20, 10492910), (25, 8394328), (34, 6172300), (40, 5246455), (50, 4197164), (68, 3086150), (85, 2468920), (100, 2098582), (136, 1543075), (170, 1234460), (200, 1049291), (340, 617230), (425, 493784), (680, 308615), (850, 246892), (1700, 123446), (3400, 61723)]