30021380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 65802240

約数和(自身を除く): 35780860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 271, 290, 382, 542, 580, 764, 955, 1084, 1355, 1910, 2710, 3820, 5420, 5539, 7859, 11078, 15718, 22156, 27695, 31436, 39295, 51761, 55390, 78590, 103522, 110780, 157180, 207044, 258805, 517610, 1035220, 1501069, 3002138, 6004276, 7505345, 15010690, 30021380]

約数ペア:

[(1, 30021380), (2, 15010690), (4, 7505345), (5, 6004276), (10, 3002138), (20, 1501069), (29, 1035220), (58, 517610), (116, 258805), (145, 207044), (191, 157180), (271, 110780), (290, 103522), (382, 78590), (542, 55390), (580, 51761), (764, 39295), (955, 31436), (1084, 27695), (1355, 22156), (1910, 15718), (2710, 11078), (3820, 7859), (5420, 5539)]