398221320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{474073}}^1$

素因数の和:474094

約数の個数: 64

約数和(自身を含む): 1365333120

約数和(自身を除く): 967111800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 474073, 948146, 1422219, 1896292, 2370365, 2844438, 3318511, 3792584, 4740730, 5688876, 6637022, 7111095, 9481460, 9955533, 11377752, 13274044, 14222190, 16592555, 18962920, 19911066, 26548088, 28444380, 33185110, 39822132, 49777665, 56888760, 66370220, 79644264, 99555330, 132740440, 199110660, 398221320]

約数ペア:

[(1, 398221320), (2, 199110660), (3, 132740440), (4, 99555330), (5, 79644264), (6, 66370220), (7, 56888760), (8, 49777665), (10, 39822132), (12, 33185110), (14, 28444380), (15, 26548088), (20, 19911066), (21, 18962920), (24, 16592555), (28, 14222190), (30, 13274044), (35, 11377752), (40, 9955533), (42, 9481460), (56, 7111095), (60, 6637022), (70, 5688876), (84, 4740730), (105, 3792584), (120, 3318511), (140, 2844438), (168, 2370365), (210, 1896292), (280, 1422219), (420, 948146), (840, 474073)]