217533820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50123}}^1$

素因数の和:50170

約数の個数: 48

約数和(自身を含む): 538933248

約数和(自身を除く): 321399428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 50123, 100246, 200492, 250615, 350861, 501230, 701722, 1002460, 1403444, 1553813, 1754305, 3107626, 3508610, 6215252, 7017220, 7769065, 10876691, 15538130, 21753382, 31076260, 43506764, 54383455, 108766910, 217533820]

約数ペア:

[(1, 217533820), (2, 108766910), (4, 54383455), (5, 43506764), (7, 31076260), (10, 21753382), (14, 15538130), (20, 10876691), (28, 7769065), (31, 7017220), (35, 6215252), (62, 3508610), (70, 3107626), (124, 1754305), (140, 1553813), (155, 1403444), (217, 1002460), (310, 701722), (434, 501230), (620, 350861), (868, 250615), (1085, 200492), (2170, 100246), (4340, 50123)]