17805130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 21074870

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 179, 203, 245, 290, 343, 358, 406, 490, 686, 895, 1015, 1253, 1421, 1715, 1790, 2030, 2506, 2842, 3430, 5191, 6265, 7105, 8771, 9947, 10382, 12530, 14210, 17542, 19894, 25955, 36337, 43855, 49735, 51910, 61397, 72674, 87710, 99470, 122794, 181685, 254359, 306985, 363370, 508718, 613970, 1271795, 1780513, 2543590, 3561026, 8902565, 17805130]

約数ペア:

[(1, 17805130), (2, 8902565), (5, 3561026), (7, 2543590), (10, 1780513), (14, 1271795), (29, 613970), (35, 508718), (49, 363370), (58, 306985), (70, 254359), (98, 181685), (145, 122794), (179, 99470), (203, 87710), (245, 72674), (290, 61397), (343, 51910), (358, 49735), (406, 43855), (490, 36337), (686, 25955), (895, 19894), (1015, 17542), (1253, 14210), (1421, 12530), (1715, 10382), (1790, 9947), (2030, 8771), (2506, 7105), (2842, 6265), (3430, 5191)]