835450280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 2198016000

約数和(自身を除く): 1362565720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 179, 211, 280, 316, 358, 395, 422, 553, 632, 716, 790, 844, 895, 1055, 1106, 1253, 1432, 1477, 1580, 1688, 1790, 2110, 2212, 2506, 2765, 2954, 3160, 3580, 4220, 4424, 5012, 5530, 5908, 6265, 7160, 7385, 8440, 10024, 11060, 11816, 12530, 14141, 14770, 16669, 22120, 25060, 28282, 29540, 33338, 37769, 50120, 56564, 59080, 66676, 70705, 75538, 83345, 98987, 113128, 116683, 133352, 141410, 151076, 166690, 188845, 197974, 233366, 264383, 282820, 302152, 333380, 377690, 395948, 466732, 494935, 528766, 565640, 583415, 666760, 755380, 791896, 933464, 989870, 1057532, 1166830, 1321915, 1510760, 1979740, 2115064, 2333660, 2643830, 2983751, 3959480, 4667320, 5287660, 5967502, 10575320, 11935004, 14918755, 20886257, 23870008, 29837510, 41772514, 59675020, 83545028, 104431285, 119350040, 167090056, 208862570, 417725140, 835450280]

約数ペア:

[(1, 835450280), (2, 417725140), (4, 208862570), (5, 167090056), (7, 119350040), (8, 104431285), (10, 83545028), (14, 59675020), (20, 41772514), (28, 29837510), (35, 23870008), (40, 20886257), (56, 14918755), (70, 11935004), (79, 10575320), (140, 5967502), (158, 5287660), (179, 4667320), (211, 3959480), (280, 2983751), (316, 2643830), (358, 2333660), (395, 2115064), (422, 1979740), (553, 1510760), (632, 1321915), (716, 1166830), (790, 1057532), (844, 989870), (895, 933464), (1055, 791896), (1106, 755380), (1253, 666760), (1432, 583415), (1477, 565640), (1580, 528766), (1688, 494935), (1790, 466732), (2110, 395948), (2212, 377690), (2506, 333380), (2765, 302152), (2954, 282820), (3160, 264383), (3580, 233366), (4220, 197974), (4424, 188845), (5012, 166690), (5530, 151076), (5908, 141410), (6265, 133352), (7160, 116683), (7385, 113128), (8440, 98987), (10024, 83345), (11060, 75538), (11816, 70705), (12530, 66676), (14141, 59080), (14770, 56564), (16669, 50120), (22120, 37769), (25060, 33338), (28282, 29540)]