209939850

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 602023968

約数和(自身を除く): 392084118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 135, 150, 162, 185, 222, 225, 243, 270, 333, 370, 405, 450, 467, 486, 555, 666, 675, 810, 925, 934, 999, 1110, 1215, 1350, 1401, 1665, 1850, 1998, 2025, 2335, 2430, 2775, 2802, 2997, 3330, 4050, 4203, 4670, 4995, 5550, 5994, 6075, 7005, 8325, 8406, 8991, 9990, 11675, 12150, 12609, 14010, 14985, 16650, 17279, 17982, 21015, 23350, 24975, 25218, 29970, 34558, 35025, 37827, 42030, 44955, 49950, 51837, 63045, 70050, 74925, 75654, 86395, 89910, 103674, 105075, 113481, 126090, 149850, 155511, 172790, 189135, 210150, 224775, 226962, 259185, 311022, 315225, 378270, 431975, 449550, 466533, 518370, 567405, 630450, 777555, 863950, 933066, 945675, 1134810, 1295925, 1399599, 1555110, 1891350, 2332665, 2591850, 2799198, 2837025, 3887775, 4198797, 4665330, 5674050, 6997995, 7775550, 8397594, 11663325, 13995990, 20993985, 23326650, 34989975, 41987970, 69979950, 104969925, 209939850]

約数ペア:

[(1, 209939850), (2, 104969925), (3, 69979950), (5, 41987970), (6, 34989975), (9, 23326650), (10, 20993985), (15, 13995990), (18, 11663325), (25, 8397594), (27, 7775550), (30, 6997995), (37, 5674050), (45, 4665330), (50, 4198797), (54, 3887775), (74, 2837025), (75, 2799198), (81, 2591850), (90, 2332665), (111, 1891350), (135, 1555110), (150, 1399599), (162, 1295925), (185, 1134810), (222, 945675), (225, 933066), (243, 863950), (270, 777555), (333, 630450), (370, 567405), (405, 518370), (450, 466533), (467, 449550), (486, 431975), (555, 378270), (666, 315225), (675, 311022), (810, 259185), (925, 226962), (934, 224775), (999, 210150), (1110, 189135), (1215, 172790), (1350, 155511), (1401, 149850), (1665, 126090), (1850, 113481), (1998, 105075), (2025, 103674), (2335, 89910), (2430, 86395), (2775, 75654), (2802, 74925), (2997, 70050), (3330, 63045), (4050, 51837), (4203, 49950), (4670, 44955), (4995, 42030), (5550, 37827), (5994, 35025), (6075, 34558), (7005, 29970), (8325, 25218), (8406, 24975), (8991, 23350), (9990, 21015), (11675, 17982), (12150, 17279), (12609, 16650), (14010, 14985)]