188839120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 455292288

約数和(自身を除く): 266453168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 148, 185, 262, 296, 370, 487, 524, 592, 655, 740, 974, 1048, 1310, 1480, 1948, 2096, 2435, 2620, 2960, 3896, 4847, 4870, 5240, 7792, 9694, 9740, 10480, 18019, 19388, 19480, 24235, 36038, 38776, 38960, 48470, 63797, 72076, 77552, 90095, 96940, 127594, 144152, 180190, 193880, 255188, 288304, 318985, 360380, 387760, 510376, 637970, 720760, 1020752, 1275940, 1441520, 2360489, 2551880, 4720978, 5103760, 9441956, 11802445, 18883912, 23604890, 37767824, 47209780, 94419560, 188839120]

約数ペア:

[(1, 188839120), (2, 94419560), (4, 47209780), (5, 37767824), (8, 23604890), (10, 18883912), (16, 11802445), (20, 9441956), (37, 5103760), (40, 4720978), (74, 2551880), (80, 2360489), (131, 1441520), (148, 1275940), (185, 1020752), (262, 720760), (296, 637970), (370, 510376), (487, 387760), (524, 360380), (592, 318985), (655, 288304), (740, 255188), (974, 193880), (1048, 180190), (1310, 144152), (1480, 127594), (1948, 96940), (2096, 90095), (2435, 77552), (2620, 72076), (2960, 63797), (3896, 48470), (4847, 38960), (4870, 38776), (5240, 36038), (7792, 24235), (9694, 19480), (9740, 19388), (10480, 18019)]