388640890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5297}}^1$

素因数の和:5367

約数の個数: 64

約数和(自身を含む): 823944960

約数和(自身を除く): 435304070

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 290, 319, 506, 638, 667, 1265, 1334, 1595, 2530, 3190, 3335, 5297, 6670, 7337, 10594, 14674, 26485, 36685, 52970, 58267, 73370, 116534, 121831, 153613, 243662, 291335, 307226, 582670, 609155, 768065, 1218310, 1340141, 1536130, 1689743, 2680282, 3379486, 3533099, 6700705, 7066198, 8448715, 13401410, 16897430, 17665495, 35330990, 38864089, 77728178, 194320445, 388640890]

約数ペア:

[(1, 388640890), (2, 194320445), (5, 77728178), (10, 38864089), (11, 35330990), (22, 17665495), (23, 16897430), (29, 13401410), (46, 8448715), (55, 7066198), (58, 6700705), (110, 3533099), (115, 3379486), (145, 2680282), (230, 1689743), (253, 1536130), (290, 1340141), (319, 1218310), (506, 768065), (638, 609155), (667, 582670), (1265, 307226), (1334, 291335), (1595, 243662), (2530, 153613), (3190, 121831), (3335, 116534), (5297, 73370), (6670, 58267), (7337, 52970), (10594, 36685), (14674, 26485)]