172004980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72271}}^1$

素因数の和:72304

約数の個数: 48

約数和(自身を含む): 437101056

約数和(自身を除く): 265096076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 72271, 144542, 289084, 361355, 505897, 722710, 1011794, 1228607, 1445420, 2023588, 2457214, 2529485, 4914428, 5058970, 6143035, 8600249, 10117940, 12286070, 17200498, 24572140, 34400996, 43001245, 86002490, 172004980]

約数ペア:

[(1, 172004980), (2, 86002490), (4, 43001245), (5, 34400996), (7, 24572140), (10, 17200498), (14, 12286070), (17, 10117940), (20, 8600249), (28, 6143035), (34, 5058970), (35, 4914428), (68, 2529485), (70, 2457214), (85, 2023588), (119, 1445420), (140, 1228607), (170, 1011794), (238, 722710), (340, 505897), (476, 361355), (595, 289084), (1190, 144542), (2380, 72271)]