178087980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{424019}}^1$

素因数の和:424038

約数の個数: 48

約数和(自身を含む): 569882880

約数和(自身を除く): 391794900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 424019, 848038, 1272057, 1696076, 2120095, 2544114, 2968133, 4240190, 5088228, 5936266, 6360285, 8480380, 8904399, 11872532, 12720570, 14840665, 17808798, 25441140, 29681330, 35617596, 44521995, 59362660, 89043990, 178087980]

約数ペア:

[(1, 178087980), (2, 89043990), (3, 59362660), (4, 44521995), (5, 35617596), (6, 29681330), (7, 25441140), (10, 17808798), (12, 14840665), (14, 12720570), (15, 11872532), (20, 8904399), (21, 8480380), (28, 6360285), (30, 5936266), (35, 5088228), (42, 4240190), (60, 2968133), (70, 2544114), (84, 2120095), (105, 1696076), (140, 1272057), (210, 848038), (420, 424019)]