71131900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 177516416

約数和(自身を除く): 106384516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 307, 331, 350, 614, 662, 700, 1228, 1324, 1535, 1655, 2149, 2317, 3070, 3310, 4298, 4634, 6140, 6620, 7675, 8275, 8596, 9268, 10745, 11585, 15350, 16550, 21490, 23170, 30700, 33100, 42980, 46340, 53725, 57925, 101617, 107450, 115850, 203234, 214900, 231700, 406468, 508085, 711319, 1016170, 1422638, 2032340, 2540425, 2845276, 3556595, 5080850, 7113190, 10161700, 14226380, 17782975, 35565950, 71131900]

約数ペア:

[(1, 71131900), (2, 35565950), (4, 17782975), (5, 14226380), (7, 10161700), (10, 7113190), (14, 5080850), (20, 3556595), (25, 2845276), (28, 2540425), (35, 2032340), (50, 1422638), (70, 1016170), (100, 711319), (140, 508085), (175, 406468), (307, 231700), (331, 214900), (350, 203234), (614, 115850), (662, 107450), (700, 101617), (1228, 57925), (1324, 53725), (1535, 46340), (1655, 42980), (2149, 33100), (2317, 30700), (3070, 23170), (3310, 21490), (4298, 16550), (4634, 15350), (6140, 11585), (6620, 10745), (7675, 9268), (8275, 8596)]