28784300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5498

約数の個数: 36

約数和(自身を含む): 63652176

約数和(自身を除く): 34867876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 5431, 10862, 21724, 27155, 54310, 108620, 135775, 271550, 287843, 543100, 575686, 1151372, 1439215, 2878430, 5756860, 7196075, 14392150, 28784300]

約数ペア:

[(1, 28784300), (2, 14392150), (4, 7196075), (5, 5756860), (10, 2878430), (20, 1439215), (25, 1151372), (50, 575686), (53, 543100), (100, 287843), (106, 271550), (212, 135775), (265, 108620), (530, 54310), (1060, 27155), (1325, 21724), (2650, 10862), (5300, 5431)]