28714510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 59850000

約数和(自身を除く): 31135490

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 1249, 2090, 2299, 2498, 4598, 6245, 11495, 12490, 13739, 22990, 23731, 27478, 47462, 68695, 118655, 137390, 151129, 237310, 261041, 302258, 522082, 755645, 1305205, 1511290, 2610410, 2871451, 5742902, 14357255, 28714510]

約数ペア:

[(1, 28714510), (2, 14357255), (5, 5742902), (10, 2871451), (11, 2610410), (19, 1511290), (22, 1305205), (38, 755645), (55, 522082), (95, 302258), (110, 261041), (121, 237310), (190, 151129), (209, 137390), (242, 118655), (418, 68695), (605, 47462), (1045, 27478), (1210, 23731), (1249, 22990), (2090, 13739), (2299, 12490), (2498, 11495), (4598, 6245)]