27998320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 79485984

約数和(自身を除く): 51487664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 173, 238, 272, 280, 289, 340, 346, 476, 560, 578, 595, 680, 692, 865, 952, 1156, 1190, 1211, 1360, 1384, 1445, 1730, 1904, 2023, 2312, 2380, 2422, 2768, 2890, 2941, 3460, 4046, 4624, 4760, 4844, 5780, 5882, 6055, 6920, 8092, 9520, 9688, 10115, 11560, 11764, 12110, 13840, 14705, 16184, 19376, 20230, 20587, 23120, 23528, 24220, 29410, 32368, 40460, 41174, 47056, 48440, 49997, 58820, 80920, 82348, 96880, 99994, 102935, 117640, 161840, 164696, 199988, 205870, 235280, 249985, 329392, 349979, 399976, 411740, 499970, 699958, 799952, 823480, 999940, 1399916, 1646960, 1749895, 1999880, 2799832, 3499790, 3999760, 5599664, 6999580, 13999160, 27998320]

約数ペア:

[(1, 27998320), (2, 13999160), (4, 6999580), (5, 5599664), (7, 3999760), (8, 3499790), (10, 2799832), (14, 1999880), (16, 1749895), (17, 1646960), (20, 1399916), (28, 999940), (34, 823480), (35, 799952), (40, 699958), (56, 499970), (68, 411740), (70, 399976), (80, 349979), (85, 329392), (112, 249985), (119, 235280), (136, 205870), (140, 199988), (170, 164696), (173, 161840), (238, 117640), (272, 102935), (280, 99994), (289, 96880), (340, 82348), (346, 80920), (476, 58820), (560, 49997), (578, 48440), (595, 47056), (680, 41174), (692, 40460), (865, 32368), (952, 29410), (1156, 24220), (1190, 23528), (1211, 23120), (1360, 20587), (1384, 20230), (1445, 19376), (1730, 16184), (1904, 14705), (2023, 13840), (2312, 12110), (2380, 11764), (2422, 11560), (2768, 10115), (2890, 9688), (2941, 9520), (3460, 8092), (4046, 6920), (4624, 6055), (4760, 5882), (4844, 5780)]