401049880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130211}}^1$

素因数の和:130240

約数の個数: 64

約数和(自身を含む): 1125031680

約数和(自身を除く): 723981800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 130211, 260422, 520844, 651055, 911477, 1041688, 1302110, 1432321, 1822954, 2604220, 2864642, 3645908, 4557385, 5208440, 5729284, 7161605, 7291816, 9114770, 10026247, 11458568, 14323210, 18229540, 20052494, 28646420, 36459080, 40104988, 50131235, 57292840, 80209976, 100262470, 200524940, 401049880]

約数ペア:

[(1, 401049880), (2, 200524940), (4, 100262470), (5, 80209976), (7, 57292840), (8, 50131235), (10, 40104988), (11, 36459080), (14, 28646420), (20, 20052494), (22, 18229540), (28, 14323210), (35, 11458568), (40, 10026247), (44, 9114770), (55, 7291816), (56, 7161605), (70, 5729284), (77, 5208440), (88, 4557385), (110, 3645908), (140, 2864642), (154, 2604220), (220, 1822954), (280, 1432321), (308, 1302110), (385, 1041688), (440, 911477), (616, 651055), (770, 520844), (1540, 260422), (3080, 130211)]