155566300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 364195440

約数和(自身を除く): 208629140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 1997, 2050, 3116, 3895, 3994, 4100, 7790, 7988, 9985, 15580, 19475, 19970, 37943, 38950, 39940, 49925, 75886, 77900, 81877, 99850, 151772, 163754, 189715, 199700, 327508, 379430, 409385, 758860, 818770, 948575, 1555663, 1637540, 1897150, 2046925, 3111326, 3794300, 4093850, 6222652, 7778315, 8187700, 15556630, 31113260, 38891575, 77783150, 155566300]

約数ペア:

[(1, 155566300), (2, 77783150), (4, 38891575), (5, 31113260), (10, 15556630), (19, 8187700), (20, 7778315), (25, 6222652), (38, 4093850), (41, 3794300), (50, 3111326), (76, 2046925), (82, 1897150), (95, 1637540), (100, 1555663), (164, 948575), (190, 818770), (205, 758860), (380, 409385), (410, 379430), (475, 327508), (779, 199700), (820, 189715), (950, 163754), (1025, 151772), (1558, 99850), (1900, 81877), (1997, 77900), (2050, 75886), (3116, 49925), (3895, 39940), (3994, 38950), (4100, 37943), (7790, 19970), (7988, 19475), (9985, 15580)]