278318150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 72

約数和(自身を含む): 574416360

約数和(自身を除く): 296098210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 179, 242, 257, 275, 358, 514, 550, 605, 895, 1210, 1285, 1790, 1969, 2570, 2827, 3025, 3938, 4475, 5654, 6050, 6425, 8950, 9845, 12850, 14135, 19690, 21659, 28270, 31097, 43318, 46003, 49225, 62194, 70675, 92006, 98450, 108295, 141350, 155485, 216590, 230015, 310970, 460030, 506033, 541475, 777425, 1012066, 1082950, 1150075, 1554850, 2300150, 2530165, 5060330, 5566363, 11132726, 12650825, 25301650, 27831815, 55663630, 139159075, 278318150]

約数ペア:

[(1, 278318150), (2, 139159075), (5, 55663630), (10, 27831815), (11, 25301650), (22, 12650825), (25, 11132726), (50, 5566363), (55, 5060330), (110, 2530165), (121, 2300150), (179, 1554850), (242, 1150075), (257, 1082950), (275, 1012066), (358, 777425), (514, 541475), (550, 506033), (605, 460030), (895, 310970), (1210, 230015), (1285, 216590), (1790, 155485), (1969, 141350), (2570, 108295), (2827, 98450), (3025, 92006), (3938, 70675), (4475, 62194), (5654, 49225), (6050, 46003), (6425, 43318), (8950, 31097), (9845, 28270), (12850, 21659), (14135, 19690)]