21788200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 37136600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 100, 140, 158, 175, 197, 200, 280, 316, 350, 394, 395, 553, 632, 700, 788, 790, 985, 1106, 1379, 1400, 1576, 1580, 1970, 1975, 2212, 2758, 2765, 3160, 3940, 3950, 4424, 4925, 5516, 5530, 6895, 7880, 7900, 9850, 11032, 11060, 13790, 13825, 15563, 15800, 19700, 22120, 27580, 27650, 31126, 34475, 39400, 55160, 55300, 62252, 68950, 77815, 108941, 110600, 124504, 137900, 155630, 217882, 275800, 311260, 389075, 435764, 544705, 622520, 778150, 871528, 1089410, 1556300, 2178820, 2723525, 3112600, 4357640, 5447050, 10894100, 21788200]

約数ペア:

[(1, 21788200), (2, 10894100), (4, 5447050), (5, 4357640), (7, 3112600), (8, 2723525), (10, 2178820), (14, 1556300), (20, 1089410), (25, 871528), (28, 778150), (35, 622520), (40, 544705), (50, 435764), (56, 389075), (70, 311260), (79, 275800), (100, 217882), (140, 155630), (158, 137900), (175, 124504), (197, 110600), (200, 108941), (280, 77815), (316, 68950), (350, 62252), (394, 55300), (395, 55160), (553, 39400), (632, 34475), (700, 31126), (788, 27650), (790, 27580), (985, 22120), (1106, 19700), (1379, 15800), (1400, 15563), (1576, 13825), (1580, 13790), (1970, 11060), (1975, 11032), (2212, 9850), (2758, 7900), (2765, 7880), (3160, 6895), (3940, 5530), (3950, 5516), (4424, 4925)]