7940100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 27776000

約数和(自身を除く): 19835900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 199, 210, 228, 266, 285, 300, 350, 380, 398, 399, 420, 475, 525, 532, 570, 597, 665, 700, 796, 798, 950, 995, 1050, 1140, 1194, 1330, 1393, 1425, 1596, 1900, 1990, 1995, 2100, 2388, 2660, 2786, 2850, 2985, 3325, 3781, 3980, 3990, 4179, 4975, 5572, 5700, 5970, 6650, 6965, 7562, 7980, 8358, 9950, 9975, 11343, 11940, 13300, 13930, 14925, 15124, 16716, 18905, 19900, 19950, 20895, 22686, 26467, 27860, 29850, 34825, 37810, 39900, 41790, 45372, 52934, 56715, 59700, 69650, 75620, 79401, 83580, 94525, 104475, 105868, 113430, 132335, 139300, 158802, 189050, 208950, 226860, 264670, 283575, 317604, 378100, 397005, 417900, 529340, 567150, 661675, 794010, 1134300, 1323350, 1588020, 1985025, 2646700, 3970050, 7940100]

約数ペア:

[(1, 7940100), (2, 3970050), (3, 2646700), (4, 1985025), (5, 1588020), (6, 1323350), (7, 1134300), (10, 794010), (12, 661675), (14, 567150), (15, 529340), (19, 417900), (20, 397005), (21, 378100), (25, 317604), (28, 283575), (30, 264670), (35, 226860), (38, 208950), (42, 189050), (50, 158802), (57, 139300), (60, 132335), (70, 113430), (75, 105868), (76, 104475), (84, 94525), (95, 83580), (100, 79401), (105, 75620), (114, 69650), (133, 59700), (140, 56715), (150, 52934), (175, 45372), (190, 41790), (199, 39900), (210, 37810), (228, 34825), (266, 29850), (285, 27860), (300, 26467), (350, 22686), (380, 20895), (398, 19950), (399, 19900), (420, 18905), (475, 16716), (525, 15124), (532, 14925), (570, 13930), (597, 13300), (665, 11940), (700, 11343), (796, 9975), (798, 9950), (950, 8358), (995, 7980), (1050, 7562), (1140, 6965), (1194, 6650), (1330, 5970), (1393, 5700), (1425, 5572), (1596, 4975), (1900, 4179), (1990, 3990), (1995, 3980), (2100, 3781), (2388, 3325), (2660, 2985), (2786, 2850)]