253410920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2521}}^1$

素因数の和:2898

約数の個数: 64

約数和(自身を含む): 653702400

約数和(自身を除く): 400291480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 2513, 2521, 2872, 3590, 5026, 5042, 7180, 10052, 10084, 12565, 12605, 14360, 17647, 20104, 20168, 25130, 25210, 35294, 50260, 50420, 70588, 88235, 100520, 100840, 141176, 176470, 352940, 705880, 905039, 1810078, 3620156, 4525195, 6335273, 7240312, 9050390, 12670546, 18100780, 25341092, 31676365, 36201560, 50682184, 63352730, 126705460, 253410920]

約数ペア:

[(1, 253410920), (2, 126705460), (4, 63352730), (5, 50682184), (7, 36201560), (8, 31676365), (10, 25341092), (14, 18100780), (20, 12670546), (28, 9050390), (35, 7240312), (40, 6335273), (56, 4525195), (70, 3620156), (140, 1810078), (280, 905039), (359, 705880), (718, 352940), (1436, 176470), (1795, 141176), (2513, 100840), (2521, 100520), (2872, 88235), (3590, 70588), (5026, 50420), (5042, 50260), (7180, 35294), (10052, 25210), (10084, 25130), (12565, 20168), (12605, 20104), (14360, 17647)]