30951340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31583}}^1$

素因数の和:31606

約数の個数: 36

約数和(自身を含む): 75612096

約数和(自身を除く): 44660756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31583, 63166, 126332, 157915, 221081, 315830, 442162, 631660, 884324, 1105405, 1547567, 2210810, 3095134, 4421620, 6190268, 7737835, 15475670, 30951340]

約数ペア:

[(1, 30951340), (2, 15475670), (4, 7737835), (5, 6190268), (7, 4421620), (10, 3095134), (14, 2210810), (20, 1547567), (28, 1105405), (35, 884324), (49, 631660), (70, 442162), (98, 315830), (140, 221081), (196, 157915), (245, 126332), (490, 63166), (980, 31583)]