28101700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 67808160

約数和(自身を除く): 39706460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 295, 433, 550, 590, 649, 866, 1100, 1180, 1298, 1475, 1732, 2165, 2596, 2950, 3245, 4330, 4763, 5900, 6490, 8660, 9526, 10825, 12980, 16225, 19052, 21650, 23815, 25547, 32450, 43300, 47630, 51094, 64900, 95260, 102188, 119075, 127735, 238150, 255470, 281017, 476300, 510940, 562034, 638675, 1124068, 1277350, 1405085, 2554700, 2810170, 5620340, 7025425, 14050850, 28101700]

約数ペア:

[(1, 28101700), (2, 14050850), (4, 7025425), (5, 5620340), (10, 2810170), (11, 2554700), (20, 1405085), (22, 1277350), (25, 1124068), (44, 638675), (50, 562034), (55, 510940), (59, 476300), (100, 281017), (110, 255470), (118, 238150), (220, 127735), (236, 119075), (275, 102188), (295, 95260), (433, 64900), (550, 51094), (590, 47630), (649, 43300), (866, 32450), (1100, 25547), (1180, 23815), (1298, 21650), (1475, 19052), (1732, 16225), (2165, 12980), (2596, 10825), (2950, 9526), (3245, 8660), (4330, 6490), (4763, 5900)]