289195280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10601}}^1$

素因数の和:10656

約数の個数: 80

約数和(自身を含む): 757237248

約数和(自身を除く): 468041968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 10601, 13640, 21202, 27280, 42404, 53005, 84808, 106010, 116611, 169616, 212020, 233222, 328631, 424040, 466444, 583055, 657262, 848080, 932888, 1166110, 1314524, 1643155, 1865776, 2332220, 2629048, 3286310, 3614941, 4664440, 5258096, 6572620, 7229882, 9328880, 13145240, 14459764, 18074705, 26290480, 28919528, 36149410, 57839056, 72298820, 144597640, 289195280]

約数ペア:

[(1, 289195280), (2, 144597640), (4, 72298820), (5, 57839056), (8, 36149410), (10, 28919528), (11, 26290480), (16, 18074705), (20, 14459764), (22, 13145240), (31, 9328880), (40, 7229882), (44, 6572620), (55, 5258096), (62, 4664440), (80, 3614941), (88, 3286310), (110, 2629048), (124, 2332220), (155, 1865776), (176, 1643155), (220, 1314524), (248, 1166110), (310, 932888), (341, 848080), (440, 657262), (496, 583055), (620, 466444), (682, 424040), (880, 328631), (1240, 233222), (1364, 212020), (1705, 169616), (2480, 116611), (2728, 106010), (3410, 84808), (5456, 53005), (6820, 42404), (10601, 27280), (13640, 21202)]