28616500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^3\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 96

約数和(自身を含む): 70342272

約数和(自身を除く): 41725772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 121, 125, 172, 215, 220, 242, 250, 275, 430, 473, 484, 500, 550, 605, 860, 946, 1075, 1100, 1210, 1331, 1375, 1892, 2150, 2365, 2420, 2662, 2750, 3025, 4300, 4730, 5203, 5324, 5375, 5500, 6050, 6655, 9460, 10406, 10750, 11825, 12100, 13310, 15125, 20812, 21500, 23650, 26015, 26620, 30250, 33275, 47300, 52030, 57233, 59125, 60500, 66550, 104060, 114466, 118250, 130075, 133100, 166375, 228932, 236500, 260150, 286165, 332750, 520300, 572330, 650375, 665500, 1144660, 1300750, 1430825, 2601500, 2861650, 5723300, 7154125, 14308250, 28616500]

約数ペア:

[(1, 28616500), (2, 14308250), (4, 7154125), (5, 5723300), (10, 2861650), (11, 2601500), (20, 1430825), (22, 1300750), (25, 1144660), (43, 665500), (44, 650375), (50, 572330), (55, 520300), (86, 332750), (100, 286165), (110, 260150), (121, 236500), (125, 228932), (172, 166375), (215, 133100), (220, 130075), (242, 118250), (250, 114466), (275, 104060), (430, 66550), (473, 60500), (484, 59125), (500, 57233), (550, 52030), (605, 47300), (860, 33275), (946, 30250), (1075, 26620), (1100, 26015), (1210, 23650), (1331, 21500), (1375, 20812), (1892, 15125), (2150, 13310), (2365, 12100), (2420, 11825), (2662, 10750), (2750, 10406), (3025, 9460), (4300, 6655), (4730, 6050), (5203, 5500), (5324, 5375)]