77981700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13681}}^1$

素因数の和:13717

約数の個数: 72

約数和(自身を含む): 237519520

約数和(自身を除く): 159537820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 5700, 13681, 27362, 41043, 54724, 68405, 82086, 136810, 164172, 205215, 259939, 273620, 342025, 410430, 519878, 684050, 779817, 820860, 1026075, 1039756, 1299695, 1368100, 1559634, 2052150, 2599390, 3119268, 3899085, 4104300, 5198780, 6498475, 7798170, 12996950, 15596340, 19495425, 25993900, 38990850, 77981700]

約数ペア:

[(1, 77981700), (2, 38990850), (3, 25993900), (4, 19495425), (5, 15596340), (6, 12996950), (10, 7798170), (12, 6498475), (15, 5198780), (19, 4104300), (20, 3899085), (25, 3119268), (30, 2599390), (38, 2052150), (50, 1559634), (57, 1368100), (60, 1299695), (75, 1039756), (76, 1026075), (95, 820860), (100, 779817), (114, 684050), (150, 519878), (190, 410430), (228, 342025), (285, 273620), (300, 259939), (380, 205215), (475, 164172), (570, 136810), (950, 82086), (1140, 68405), (1425, 54724), (1900, 41043), (2850, 27362), (5700, 13681)]