85685320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43717}}^1$

素因数の和:43742

約数の個数: 48

約数和(自身を含む): 224273340

約数和(自身を除く): 138588020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43717, 87434, 174868, 218585, 306019, 349736, 437170, 612038, 874340, 1224076, 1530095, 1748680, 2142133, 2448152, 3060190, 4284266, 6120380, 8568532, 10710665, 12240760, 17137064, 21421330, 42842660, 85685320]

約数ペア:

[(1, 85685320), (2, 42842660), (4, 21421330), (5, 17137064), (7, 12240760), (8, 10710665), (10, 8568532), (14, 6120380), (20, 4284266), (28, 3060190), (35, 2448152), (40, 2142133), (49, 1748680), (56, 1530095), (70, 1224076), (98, 874340), (140, 612038), (196, 437170), (245, 349736), (280, 306019), (392, 218585), (490, 174868), (980, 87434), (1960, 43717)]