136908940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139703}}^1$

素因数の和:139726

約数の個数: 36

約数和(自身を含む): 334451376

約数和(自身を除く): 197542436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 139703, 279406, 558812, 698515, 977921, 1397030, 1955842, 2794060, 3911684, 4889605, 6845447, 9779210, 13690894, 19558420, 27381788, 34227235, 68454470, 136908940]

約数ペア:

[(1, 136908940), (2, 68454470), (4, 34227235), (5, 27381788), (7, 19558420), (10, 13690894), (14, 9779210), (20, 6845447), (28, 4889605), (35, 3911684), (49, 2794060), (70, 1955842), (98, 1397030), (140, 977921), (196, 698515), (245, 558812), (490, 279406), (980, 139703)]