4202800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 12300800

約数和(自身を除く): 8098000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 79, 80, 95, 100, 112, 133, 140, 152, 158, 175, 190, 200, 266, 280, 304, 316, 350, 380, 395, 400, 475, 532, 553, 560, 632, 665, 700, 760, 790, 950, 1064, 1106, 1264, 1330, 1400, 1501, 1520, 1580, 1900, 1975, 2128, 2212, 2660, 2765, 2800, 3002, 3160, 3325, 3800, 3950, 4424, 5320, 5530, 6004, 6320, 6650, 7505, 7600, 7900, 8848, 10507, 10640, 11060, 12008, 13300, 13825, 15010, 15800, 21014, 22120, 24016, 26600, 27650, 30020, 31600, 37525, 42028, 44240, 52535, 53200, 55300, 60040, 75050, 84056, 105070, 110600, 120080, 150100, 168112, 210140, 221200, 262675, 300200, 420280, 525350, 600400, 840560, 1050700, 2101400, 4202800]

約数ペア:

[(1, 4202800), (2, 2101400), (4, 1050700), (5, 840560), (7, 600400), (8, 525350), (10, 420280), (14, 300200), (16, 262675), (19, 221200), (20, 210140), (25, 168112), (28, 150100), (35, 120080), (38, 110600), (40, 105070), (50, 84056), (56, 75050), (70, 60040), (76, 55300), (79, 53200), (80, 52535), (95, 44240), (100, 42028), (112, 37525), (133, 31600), (140, 30020), (152, 27650), (158, 26600), (175, 24016), (190, 22120), (200, 21014), (266, 15800), (280, 15010), (304, 13825), (316, 13300), (350, 12008), (380, 11060), (395, 10640), (400, 10507), (475, 8848), (532, 7900), (553, 7600), (560, 7505), (632, 6650), (665, 6320), (700, 6004), (760, 5530), (790, 5320), (950, 4424), (1064, 3950), (1106, 3800), (1264, 3325), (1330, 3160), (1400, 3002), (1501, 2800), (1520, 2765), (1580, 2660), (1900, 2212), (1975, 2128)]