388993240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8179}}^1$

素因数の和:8260

約数の個数: 64

約数和(自身を含む): 927612000

約数和(自身を除く): 538618760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 8179, 9512, 11890, 16358, 23780, 32716, 40895, 47560, 65432, 81790, 163580, 237191, 327160, 335339, 474382, 670678, 948764, 1185955, 1341356, 1676695, 1897528, 2371910, 2682712, 3353390, 4743820, 6706780, 9487640, 9724831, 13413560, 19449662, 38899324, 48624155, 77798648, 97248310, 194496620, 388993240]

約数ペア:

[(1, 388993240), (2, 194496620), (4, 97248310), (5, 77798648), (8, 48624155), (10, 38899324), (20, 19449662), (29, 13413560), (40, 9724831), (41, 9487640), (58, 6706780), (82, 4743820), (116, 3353390), (145, 2682712), (164, 2371910), (205, 1897528), (232, 1676695), (290, 1341356), (328, 1185955), (410, 948764), (580, 670678), (820, 474382), (1160, 335339), (1189, 327160), (1640, 237191), (2378, 163580), (4756, 81790), (5945, 65432), (8179, 47560), (9512, 40895), (11890, 32716), (16358, 23780)]