78445300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 187511436

約数和(自身を除く): 109066136

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 53, 76, 82, 95, 100, 106, 164, 190, 205, 212, 265, 361, 380, 410, 475, 530, 722, 779, 820, 950, 1007, 1025, 1060, 1325, 1444, 1558, 1805, 1900, 2014, 2050, 2173, 2650, 3116, 3610, 3895, 4028, 4100, 4346, 5035, 5300, 7220, 7790, 8692, 9025, 10070, 10865, 14801, 15580, 18050, 19133, 19475, 20140, 21730, 25175, 29602, 36100, 38266, 38950, 41287, 43460, 50350, 54325, 59204, 74005, 76532, 77900, 82574, 95665, 100700, 108650, 148010, 165148, 191330, 206435, 217300, 296020, 370025, 382660, 412870, 478325, 740050, 784453, 825740, 956650, 1032175, 1480100, 1568906, 1913300, 2064350, 3137812, 3922265, 4128700, 7844530, 15689060, 19611325, 39222650, 78445300]

約数ペア:

[(1, 78445300), (2, 39222650), (4, 19611325), (5, 15689060), (10, 7844530), (19, 4128700), (20, 3922265), (25, 3137812), (38, 2064350), (41, 1913300), (50, 1568906), (53, 1480100), (76, 1032175), (82, 956650), (95, 825740), (100, 784453), (106, 740050), (164, 478325), (190, 412870), (205, 382660), (212, 370025), (265, 296020), (361, 217300), (380, 206435), (410, 191330), (475, 165148), (530, 148010), (722, 108650), (779, 100700), (820, 95665), (950, 82574), (1007, 77900), (1025, 76532), (1060, 74005), (1325, 59204), (1444, 54325), (1558, 50350), (1805, 43460), (1900, 41287), (2014, 38950), (2050, 38266), (2173, 36100), (2650, 29602), (3116, 25175), (3610, 21730), (3895, 20140), (4028, 19475), (4100, 19133), (4346, 18050), (5035, 15580), (5300, 14801), (7220, 10865), (7790, 10070), (8692, 9025)]