256051220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 586051200

約数和(自身を除く): 329999980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 89, 95, 113, 134, 178, 190, 226, 268, 335, 356, 380, 445, 452, 565, 670, 890, 1130, 1273, 1340, 1691, 1780, 2147, 2260, 2546, 3382, 4294, 5092, 5963, 6365, 6764, 7571, 8455, 8588, 10057, 10735, 11926, 12730, 15142, 16910, 20114, 21470, 23852, 25460, 29815, 30284, 33820, 37855, 40228, 42940, 50285, 59630, 75710, 100570, 113297, 119260, 143849, 151420, 191083, 201140, 226594, 287698, 382166, 453188, 566485, 575396, 673819, 719245, 764332, 955415, 1132970, 1347638, 1438490, 1910830, 2265940, 2695276, 2876980, 3369095, 3821660, 6738190, 12802561, 13476380, 25605122, 51210244, 64012805, 128025610, 256051220]

約数ペア:

[(1, 256051220), (2, 128025610), (4, 64012805), (5, 51210244), (10, 25605122), (19, 13476380), (20, 12802561), (38, 6738190), (67, 3821660), (76, 3369095), (89, 2876980), (95, 2695276), (113, 2265940), (134, 1910830), (178, 1438490), (190, 1347638), (226, 1132970), (268, 955415), (335, 764332), (356, 719245), (380, 673819), (445, 575396), (452, 566485), (565, 453188), (670, 382166), (890, 287698), (1130, 226594), (1273, 201140), (1340, 191083), (1691, 151420), (1780, 143849), (2147, 119260), (2260, 113297), (2546, 100570), (3382, 75710), (4294, 59630), (5092, 50285), (5963, 42940), (6365, 40228), (6764, 37855), (7571, 33820), (8455, 30284), (8588, 29815), (10057, 25460), (10735, 23852), (11926, 21470), (12730, 20114), (15142, 16910)]