388209920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1236

約数の個数: 144

約数和(自身を含む): 1092379008

約数和(自身を除く): 704169088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 256, 259, 280, 296, 320, 370, 448, 518, 560, 592, 640, 740, 896, 1036, 1120, 1171, 1184, 1280, 1295, 1480, 1792, 2072, 2240, 2342, 2368, 2590, 2960, 4144, 4480, 4684, 4736, 5180, 5855, 5920, 8197, 8288, 8960, 9368, 9472, 10360, 11710, 11840, 16394, 16576, 18736, 20720, 23420, 23680, 32788, 33152, 37472, 40985, 41440, 43327, 46840, 47360, 65576, 66304, 74944, 81970, 82880, 86654, 93680, 131152, 149888, 163940, 165760, 173308, 187360, 216635, 262304, 299776, 303289, 327880, 331520, 346616, 374720, 433270, 524608, 606578, 655760, 693232, 749440, 866540, 1049216, 1213156, 1311520, 1386464, 1498880, 1516445, 1733080, 2098432, 2426312, 2623040, 2772928, 3032890, 3466160, 4852624, 5246080, 5545856, 6065780, 6932320, 9705248, 10492160, 11091712, 12131560, 13864640, 19410496, 24263120, 27729280, 38820992, 48526240, 55458560, 77641984, 97052480, 194104960, 388209920]

約数ペア:

[(1, 388209920), (2, 194104960), (4, 97052480), (5, 77641984), (7, 55458560), (8, 48526240), (10, 38820992), (14, 27729280), (16, 24263120), (20, 19410496), (28, 13864640), (32, 12131560), (35, 11091712), (37, 10492160), (40, 9705248), (56, 6932320), (64, 6065780), (70, 5545856), (74, 5246080), (80, 4852624), (112, 3466160), (128, 3032890), (140, 2772928), (148, 2623040), (160, 2426312), (185, 2098432), (224, 1733080), (256, 1516445), (259, 1498880), (280, 1386464), (296, 1311520), (320, 1213156), (370, 1049216), (448, 866540), (518, 749440), (560, 693232), (592, 655760), (640, 606578), (740, 524608), (896, 433270), (1036, 374720), (1120, 346616), (1171, 331520), (1184, 327880), (1280, 303289), (1295, 299776), (1480, 262304), (1792, 216635), (2072, 187360), (2240, 173308), (2342, 165760), (2368, 163940), (2590, 149888), (2960, 131152), (4144, 93680), (4480, 86654), (4684, 82880), (4736, 81970), (5180, 74944), (5855, 66304), (5920, 65576), (8197, 47360), (8288, 46840), (8960, 43327), (9368, 41440), (9472, 40985), (10360, 37472), (11710, 33152), (11840, 32788), (16394, 23680), (16576, 23420), (18736, 20720)]