8981300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 21352800

約数和(自身を除く): 12371500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 163, 190, 290, 326, 380, 475, 551, 580, 652, 725, 815, 950, 1102, 1450, 1630, 1900, 2204, 2755, 2900, 3097, 3260, 4075, 4727, 5510, 6194, 8150, 9454, 11020, 12388, 13775, 15485, 16300, 18908, 23635, 27550, 30970, 47270, 55100, 61940, 77425, 89813, 94540, 118175, 154850, 179626, 236350, 309700, 359252, 449065, 472700, 898130, 1796260, 2245325, 4490650, 8981300]

約数ペア:

[(1, 8981300), (2, 4490650), (4, 2245325), (5, 1796260), (10, 898130), (19, 472700), (20, 449065), (25, 359252), (29, 309700), (38, 236350), (50, 179626), (58, 154850), (76, 118175), (95, 94540), (100, 89813), (116, 77425), (145, 61940), (163, 55100), (190, 47270), (290, 30970), (326, 27550), (380, 23635), (475, 18908), (551, 16300), (580, 15485), (652, 13775), (725, 12388), (815, 11020), (950, 9454), (1102, 8150), (1450, 6194), (1630, 5510), (1900, 4727), (2204, 4075), (2755, 3260), (2900, 3097)]