898492520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2693}}^1$

素因数の和:3162

約数の個数: 64

約数和(自身を含む): 2133648000

約数和(自身を除く): 1235155480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 439, 760, 878, 1756, 2195, 2693, 3512, 4390, 5386, 8341, 8780, 10772, 13465, 16682, 17560, 21544, 26930, 33364, 41705, 51167, 53860, 66728, 83410, 102334, 107720, 166820, 204668, 255835, 333640, 409336, 511670, 1023340, 1182227, 2046680, 2364454, 4728908, 5911135, 9457816, 11822270, 22462313, 23644540, 44924626, 47289080, 89849252, 112311565, 179698504, 224623130, 449246260, 898492520]

約数ペア:

[(1, 898492520), (2, 449246260), (4, 224623130), (5, 179698504), (8, 112311565), (10, 89849252), (19, 47289080), (20, 44924626), (38, 23644540), (40, 22462313), (76, 11822270), (95, 9457816), (152, 5911135), (190, 4728908), (380, 2364454), (439, 2046680), (760, 1182227), (878, 1023340), (1756, 511670), (2195, 409336), (2693, 333640), (3512, 255835), (4390, 204668), (5386, 166820), (8341, 107720), (8780, 102334), (10772, 83410), (13465, 66728), (16682, 53860), (17560, 51167), (21544, 41705), (26930, 33364)]