217397120

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2593}}^1$

素因数の和:2743

約数の個数: 64

約数和(自身を含む): 523884240

約数和(自身を除く): 306487120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2593, 2620, 4192, 5186, 5240, 8384, 10372, 10480, 12965, 16768, 20744, 20960, 25930, 41488, 41920, 51860, 82976, 83840, 103720, 165952, 207440, 331904, 339683, 414880, 679366, 829760, 1358732, 1659520, 1698415, 2717464, 3396830, 5434928, 6793660, 10869856, 13587320, 21739712, 27174640, 43479424, 54349280, 108698560, 217397120]

約数ペア:

[(1, 217397120), (2, 108698560), (4, 54349280), (5, 43479424), (8, 27174640), (10, 21739712), (16, 13587320), (20, 10869856), (32, 6793660), (40, 5434928), (64, 3396830), (80, 2717464), (128, 1698415), (131, 1659520), (160, 1358732), (262, 829760), (320, 679366), (524, 414880), (640, 339683), (655, 331904), (1048, 207440), (1310, 165952), (2096, 103720), (2593, 83840), (2620, 82976), (4192, 51860), (5186, 41920), (5240, 41488), (8384, 25930), (10372, 20960), (10480, 20744), (12965, 16768)]