289399980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 825237504

約数和(自身を除く): 535837524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 163, 233, 254, 326, 381, 466, 489, 508, 635, 652, 699, 762, 815, 932, 978, 1165, 1270, 1398, 1524, 1630, 1905, 1956, 2330, 2445, 2540, 2796, 3260, 3495, 3810, 4660, 4890, 6990, 7620, 9780, 13980, 20701, 29591, 37979, 41402, 59182, 62103, 75958, 82804, 88773, 103505, 113937, 118364, 124206, 147955, 151916, 177546, 189895, 207010, 227874, 248412, 295910, 310515, 355092, 379790, 414020, 443865, 455748, 569685, 591820, 621030, 759580, 887730, 1139370, 1242060, 1775460, 2278740, 4823333, 9646666, 14469999, 19293332, 24116665, 28939998, 48233330, 57879996, 72349995, 96466660, 144699990, 289399980]

約数ペア:

[(1, 289399980), (2, 144699990), (3, 96466660), (4, 72349995), (5, 57879996), (6, 48233330), (10, 28939998), (12, 24116665), (15, 19293332), (20, 14469999), (30, 9646666), (60, 4823333), (127, 2278740), (163, 1775460), (233, 1242060), (254, 1139370), (326, 887730), (381, 759580), (466, 621030), (489, 591820), (508, 569685), (635, 455748), (652, 443865), (699, 414020), (762, 379790), (815, 355092), (932, 310515), (978, 295910), (1165, 248412), (1270, 227874), (1398, 207010), (1524, 189895), (1630, 177546), (1905, 151916), (1956, 147955), (2330, 124206), (2445, 118364), (2540, 113937), (2796, 103505), (3260, 88773), (3495, 82804), (3810, 75958), (4660, 62103), (4890, 59182), (6990, 41402), (7620, 37979), (9780, 29591), (13980, 20701)]