28673260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 76995072

約数和(自身を除く): 48321812

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 433, 473, 602, 770, 860, 866, 946, 1204, 1505, 1540, 1732, 1892, 2165, 2365, 3010, 3031, 3311, 4330, 4730, 4763, 6020, 6062, 6622, 8660, 9460, 9526, 12124, 13244, 15155, 16555, 18619, 19052, 23815, 30310, 33110, 33341, 37238, 47630, 60620, 66220, 66682, 74476, 93095, 95260, 130333, 133364, 166705, 186190, 204809, 260666, 333410, 372380, 409618, 521332, 651665, 666820, 819236, 1024045, 1303330, 1433663, 2048090, 2606660, 2867326, 4096180, 5734652, 7168315, 14336630, 28673260]

約数ペア:

[(1, 28673260), (2, 14336630), (4, 7168315), (5, 5734652), (7, 4096180), (10, 2867326), (11, 2606660), (14, 2048090), (20, 1433663), (22, 1303330), (28, 1024045), (35, 819236), (43, 666820), (44, 651665), (55, 521332), (70, 409618), (77, 372380), (86, 333410), (110, 260666), (140, 204809), (154, 186190), (172, 166705), (215, 133364), (220, 130333), (301, 95260), (308, 93095), (385, 74476), (430, 66682), (433, 66220), (473, 60620), (602, 47630), (770, 37238), (860, 33341), (866, 33110), (946, 30310), (1204, 23815), (1505, 19052), (1540, 18619), (1732, 16555), (1892, 15155), (2165, 13244), (2365, 12124), (3010, 9526), (3031, 9460), (3311, 8660), (4330, 6622), (4730, 6062), (4763, 6020)]