220189518

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^2$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 523013400

約数和(自身を除く): 302823882

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 149, 171, 174, 261, 298, 342, 447, 522, 551, 894, 1102, 1341, 1653, 2682, 2831, 3306, 4321, 4959, 5662, 8493, 8642, 9918, 12963, 16986, 22201, 25479, 25926, 38889, 44402, 50958, 66603, 77778, 82099, 133206, 164198, 199809, 246297, 399618, 421819, 492594, 643829, 738891, 843638, 1265457, 1287658, 1477782, 1931487, 2530914, 3796371, 3862974, 5794461, 7592742, 11588922, 12232751, 24465502, 36698253, 73396506, 110094759, 220189518]

約数ペア:

[(1, 220189518), (2, 110094759), (3, 73396506), (6, 36698253), (9, 24465502), (18, 12232751), (19, 11588922), (29, 7592742), (38, 5794461), (57, 3862974), (58, 3796371), (87, 2530914), (114, 1931487), (149, 1477782), (171, 1287658), (174, 1265457), (261, 843638), (298, 738891), (342, 643829), (447, 492594), (522, 421819), (551, 399618), (894, 246297), (1102, 199809), (1341, 164198), (1653, 133206), (2682, 82099), (2831, 77778), (3306, 66603), (4321, 50958), (4959, 44402), (5662, 38889), (8493, 25926), (8642, 25479), (9918, 22201), (12963, 16986)]