203488180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29663}}^1$

素因数の和:29693

約数の個数: 48

約数和(自身を含む): 498355200

約数和(自身を除く): 294867020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29663, 59326, 118652, 148315, 207641, 296630, 415282, 593260, 830564, 1038205, 1453487, 2076410, 2906974, 4152820, 5813948, 7267435, 10174409, 14534870, 20348818, 29069740, 40697636, 50872045, 101744090, 203488180]

約数ペア:

[(1, 203488180), (2, 101744090), (4, 50872045), (5, 40697636), (7, 29069740), (10, 20348818), (14, 14534870), (20, 10174409), (28, 7267435), (35, 5813948), (49, 4152820), (70, 2906974), (98, 2076410), (140, 1453487), (196, 1038205), (245, 830564), (343, 593260), (490, 415282), (686, 296630), (980, 207641), (1372, 148315), (1715, 118652), (3430, 59326), (6860, 29663)]