79818900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 266649600

約数和(自身を除く): 186830700

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, 191, 199, 210, 300, 350, 382, 398, 420, 525, 573, 597, 700, 764, 796, 955, 995, 1050, 1146, 1194, 1337, 1393, 1910, 1990, 2100, 2292, 2388, 2674, 2786, 2865, 2985, 3820, 3980, 4011, 4179, 4775, 4975, 5348, 5572, 5730, 5970, 6685, 6965, 8022, 8358, 9550, 9950, 11460, 11940, 13370, 13930, 14325, 14925, 16044, 16716, 19100, 19900, 20055, 20895, 26740, 27860, 28650, 29850, 33425, 34825, 38009, 40110, 41790, 57300, 59700, 66850, 69650, 76018, 80220, 83580, 100275, 104475, 114027, 133700, 139300, 152036, 190045, 200550, 208950, 228054, 266063, 380090, 401100, 417900, 456108, 532126, 570135, 760180, 798189, 950225, 1064252, 1140270, 1330315, 1596378, 1900450, 2280540, 2660630, 2850675, 3192756, 3800900, 3990945, 5321260, 5701350, 6651575, 7981890, 11402700, 13303150, 15963780, 19954725, 26606300, 39909450, 79818900]

約数ペア:

[(1, 79818900), (2, 39909450), (3, 26606300), (4, 19954725), (5, 15963780), (6, 13303150), (7, 11402700), (10, 7981890), (12, 6651575), (14, 5701350), (15, 5321260), (20, 3990945), (21, 3800900), (25, 3192756), (28, 2850675), (30, 2660630), (35, 2280540), (42, 1900450), (50, 1596378), (60, 1330315), (70, 1140270), (75, 1064252), (84, 950225), (100, 798189), (105, 760180), (140, 570135), (150, 532126), (175, 456108), (191, 417900), (199, 401100), (210, 380090), (300, 266063), (350, 228054), (382, 208950), (398, 200550), (420, 190045), (525, 152036), (573, 139300), (597, 133700), (700, 114027), (764, 104475), (796, 100275), (955, 83580), (995, 80220), (1050, 76018), (1146, 69650), (1194, 66850), (1337, 59700), (1393, 57300), (1910, 41790), (1990, 40110), (2100, 38009), (2292, 34825), (2388, 33425), (2674, 29850), (2786, 28650), (2865, 27860), (2985, 26740), (3820, 20895), (3980, 20055), (4011, 19900), (4179, 19100), (4775, 16716), (4975, 16044), (5348, 14925), (5572, 14325), (5730, 13930), (5970, 13370), (6685, 11940), (6965, 11460), (8022, 9950), (8358, 9550)]