28677990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 78506496

約数和(自身を除く): 49828506

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 47, 55, 66, 86, 94, 110, 129, 141, 165, 215, 235, 258, 282, 330, 430, 470, 473, 517, 645, 705, 946, 1034, 1290, 1410, 1419, 1551, 1849, 2021, 2365, 2585, 2838, 3102, 3698, 4042, 4730, 5170, 5547, 6063, 7095, 7755, 9245, 10105, 11094, 12126, 14190, 15510, 18490, 20210, 20339, 22231, 27735, 30315, 40678, 44462, 55470, 60630, 61017, 66693, 86903, 101695, 111155, 122034, 133386, 173806, 203390, 222310, 260709, 305085, 333465, 434515, 521418, 610170, 666930, 869030, 955933, 1303545, 1911866, 2607090, 2867799, 4779665, 5735598, 9559330, 14338995, 28677990]

約数ペア:

[(1, 28677990), (2, 14338995), (3, 9559330), (5, 5735598), (6, 4779665), (10, 2867799), (11, 2607090), (15, 1911866), (22, 1303545), (30, 955933), (33, 869030), (43, 666930), (47, 610170), (55, 521418), (66, 434515), (86, 333465), (94, 305085), (110, 260709), (129, 222310), (141, 203390), (165, 173806), (215, 133386), (235, 122034), (258, 111155), (282, 101695), (330, 86903), (430, 66693), (470, 61017), (473, 60630), (517, 55470), (645, 44462), (705, 40678), (946, 30315), (1034, 27735), (1290, 22231), (1410, 20339), (1419, 20210), (1551, 18490), (1849, 15510), (2021, 14190), (2365, 12126), (2585, 11094), (2838, 10105), (3102, 9245), (3698, 7755), (4042, 7095), (4730, 6063), (5170, 5547)]