261384900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6594

約数の個数: 144

約数和(自身を含む): 909941760

約数和(自身を除く): 648556860

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, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 1050, 1140, 1330, 1425, 1596, 1900, 1995, 2100, 2660, 2850, 3325, 3990, 5700, 6551, 6650, 7980, 9975, 13102, 13300, 19653, 19950, 26204, 32755, 39306, 39900, 45857, 65510, 78612, 91714, 98265, 124469, 131020, 137571, 163775, 183428, 196530, 229285, 248938, 275142, 327550, 373407, 393060, 458570, 491325, 497876, 550284, 622345, 655100, 687855, 746814, 871283, 917140, 982650, 1146425, 1244690, 1375710, 1493628, 1742566, 1867035, 1965300, 2292850, 2489380, 2613849, 2751420, 3111725, 3439275, 3485132, 3734070, 4356415, 4585700, 5227698, 6223450, 6878550, 7468140, 8712830, 9335175, 10455396, 12446900, 13069245, 13757100, 17425660, 18670350, 21782075, 26138490, 37340700, 43564150, 52276980, 65346225, 87128300, 130692450, 261384900]

約数ペア:

[(1, 261384900), (2, 130692450), (3, 87128300), (4, 65346225), (5, 52276980), (6, 43564150), (7, 37340700), (10, 26138490), (12, 21782075), (14, 18670350), (15, 17425660), (19, 13757100), (20, 13069245), (21, 12446900), (25, 10455396), (28, 9335175), (30, 8712830), (35, 7468140), (38, 6878550), (42, 6223450), (50, 5227698), (57, 4585700), (60, 4356415), (70, 3734070), (75, 3485132), (76, 3439275), (84, 3111725), (95, 2751420), (100, 2613849), (105, 2489380), (114, 2292850), (133, 1965300), (140, 1867035), (150, 1742566), (175, 1493628), (190, 1375710), (210, 1244690), (228, 1146425), (266, 982650), (285, 917140), (300, 871283), (350, 746814), (380, 687855), (399, 655100), (420, 622345), (475, 550284), (525, 497876), (532, 491325), (570, 458570), (665, 393060), (700, 373407), (798, 327550), (950, 275142), (1050, 248938), (1140, 229285), (1330, 196530), (1425, 183428), (1596, 163775), (1900, 137571), (1995, 131020), (2100, 124469), (2660, 98265), (2850, 91714), (3325, 78612), (3990, 65510), (5700, 45857), (6551, 39900), (6650, 39306), (7980, 32755), (9975, 26204), (13102, 19950), (13300, 19653)]