206399480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1613}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 532232640

約数和(自身を除く): 325833160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1613, 1828, 2285, 3199, 3226, 3656, 4570, 6398, 6452, 8065, 9140, 11291, 12796, 12904, 15995, 16130, 18280, 22582, 25592, 31990, 32260, 45164, 56455, 63980, 64520, 90328, 112910, 127960, 225820, 451640, 737141, 1474282, 2948564, 3685705, 5159987, 5897128, 7371410, 10319974, 14742820, 20639948, 25799935, 29485640, 41279896, 51599870, 103199740, 206399480]

約数ペア:

[(1, 206399480), (2, 103199740), (4, 51599870), (5, 41279896), (7, 29485640), (8, 25799935), (10, 20639948), (14, 14742820), (20, 10319974), (28, 7371410), (35, 5897128), (40, 5159987), (56, 3685705), (70, 2948564), (140, 1474282), (280, 737141), (457, 451640), (914, 225820), (1613, 127960), (1828, 112910), (2285, 90328), (3199, 64520), (3226, 63980), (3656, 56455), (4570, 45164), (6398, 32260), (6452, 31990), (8065, 25592), (9140, 22582), (11291, 18280), (12796, 16130), (12904, 15995)]