31870580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 82478088

約数和(自身を除く): 50607508

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 1913, 2380, 3332, 3826, 4165, 7652, 8330, 9565, 13391, 16660, 19130, 26782, 32521, 38260, 53564, 65042, 66955, 93737, 130084, 133910, 162605, 187474, 227647, 267820, 325210, 374948, 455294, 468685, 650420, 910588, 937370, 1138235, 1593529, 1874740, 2276470, 3187058, 4552940, 6374116, 7967645, 15935290, 31870580]

約数ペア:

[(1, 31870580), (2, 15935290), (4, 7967645), (5, 6374116), (7, 4552940), (10, 3187058), (14, 2276470), (17, 1874740), (20, 1593529), (28, 1138235), (34, 937370), (35, 910588), (49, 650420), (68, 468685), (70, 455294), (85, 374948), (98, 325210), (119, 267820), (140, 227647), (170, 187474), (196, 162605), (238, 133910), (245, 130084), (340, 93737), (476, 66955), (490, 65042), (595, 53564), (833, 38260), (980, 32521), (1190, 26782), (1666, 19130), (1913, 16660), (2380, 13391), (3332, 9565), (3826, 8330), (4165, 7652)]