917980840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 2422748160

約数和(自身を除く): 1504767320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 97, 140, 146, 194, 280, 292, 365, 388, 463, 485, 511, 584, 679, 730, 776, 926, 970, 1022, 1358, 1460, 1852, 1940, 2044, 2315, 2555, 2716, 2920, 3241, 3395, 3704, 3880, 4088, 4630, 5110, 5432, 6482, 6790, 7081, 9260, 10220, 12964, 13580, 14162, 16205, 18520, 20440, 25928, 27160, 28324, 32410, 33799, 35405, 44911, 49567, 56648, 64820, 67598, 70810, 89822, 99134, 129640, 135196, 141620, 168995, 179644, 198268, 224555, 236593, 247835, 270392, 283240, 314377, 337990, 359288, 396536, 449110, 473186, 495670, 628754, 675980, 898220, 946372, 991340, 1182965, 1257508, 1351960, 1571885, 1796440, 1892744, 1982680, 2365930, 2515016, 3143770, 3278503, 4731860, 6287540, 6557006, 9463720, 12575080, 13114012, 16392515, 22949521, 26228024, 32785030, 45899042, 65570060, 91798084, 114747605, 131140120, 183596168, 229495210, 458990420, 917980840]

約数ペア:

[(1, 917980840), (2, 458990420), (4, 229495210), (5, 183596168), (7, 131140120), (8, 114747605), (10, 91798084), (14, 65570060), (20, 45899042), (28, 32785030), (35, 26228024), (40, 22949521), (56, 16392515), (70, 13114012), (73, 12575080), (97, 9463720), (140, 6557006), (146, 6287540), (194, 4731860), (280, 3278503), (292, 3143770), (365, 2515016), (388, 2365930), (463, 1982680), (485, 1892744), (511, 1796440), (584, 1571885), (679, 1351960), (730, 1257508), (776, 1182965), (926, 991340), (970, 946372), (1022, 898220), (1358, 675980), (1460, 628754), (1852, 495670), (1940, 473186), (2044, 449110), (2315, 396536), (2555, 359288), (2716, 337990), (2920, 314377), (3241, 283240), (3395, 270392), (3704, 247835), (3880, 236593), (4088, 224555), (4630, 198268), (5110, 179644), (5432, 168995), (6482, 141620), (6790, 135196), (7081, 129640), (9260, 99134), (10220, 89822), (12964, 70810), (13580, 67598), (14162, 64820), (16205, 56648), (18520, 49567), (20440, 44911), (25928, 35405), (27160, 33799), (28324, 32410)]