208532100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 694400000

約数和(自身を除く): 485867900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 199, 210, 300, 350, 398, 420, 499, 525, 597, 700, 796, 995, 998, 1050, 1194, 1393, 1497, 1990, 1996, 2100, 2388, 2495, 2786, 2985, 2994, 3493, 3980, 4179, 4975, 4990, 5572, 5970, 5988, 6965, 6986, 7485, 8358, 9950, 9980, 10479, 11940, 12475, 13930, 13972, 14925, 14970, 16716, 17465, 19900, 20895, 20958, 24950, 27860, 29850, 29940, 34825, 34930, 37425, 41790, 41916, 49900, 52395, 59700, 69650, 69860, 74850, 83580, 87325, 99301, 104475, 104790, 139300, 149700, 174650, 198602, 208950, 209580, 261975, 297903, 349300, 397204, 417900, 496505, 523950, 595806, 695107, 993010, 1047900, 1191612, 1390214, 1489515, 1986020, 2085321, 2482525, 2780428, 2979030, 3475535, 4170642, 4965050, 5958060, 6951070, 7447575, 8341284, 9930100, 10426605, 13902140, 14895150, 17377675, 20853210, 29790300, 34755350, 41706420, 52133025, 69510700, 104266050, 208532100]

約数ペア:

[(1, 208532100), (2, 104266050), (3, 69510700), (4, 52133025), (5, 41706420), (6, 34755350), (7, 29790300), (10, 20853210), (12, 17377675), (14, 14895150), (15, 13902140), (20, 10426605), (21, 9930100), (25, 8341284), (28, 7447575), (30, 6951070), (35, 5958060), (42, 4965050), (50, 4170642), (60, 3475535), (70, 2979030), (75, 2780428), (84, 2482525), (100, 2085321), (105, 1986020), (140, 1489515), (150, 1390214), (175, 1191612), (199, 1047900), (210, 993010), (300, 695107), (350, 595806), (398, 523950), (420, 496505), (499, 417900), (525, 397204), (597, 349300), (700, 297903), (796, 261975), (995, 209580), (998, 208950), (1050, 198602), (1194, 174650), (1393, 149700), (1497, 139300), (1990, 104790), (1996, 104475), (2100, 99301), (2388, 87325), (2495, 83580), (2786, 74850), (2985, 69860), (2994, 69650), (3493, 59700), (3980, 52395), (4179, 49900), (4975, 41916), (4990, 41790), (5572, 37425), (5970, 34930), (5988, 34825), (6965, 29940), (6986, 29850), (7485, 27860), (8358, 24950), (9950, 20958), (9980, 20895), (10479, 19900), (11940, 17465), (12475, 16716), (13930, 14970), (13972, 14925)]