11415140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 27147960

約数和(自身を除く): 15732820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 89, 106, 110, 121, 178, 212, 220, 242, 265, 356, 445, 484, 530, 583, 605, 890, 979, 1060, 1166, 1210, 1780, 1958, 2332, 2420, 2915, 3916, 4717, 4895, 5830, 6413, 9434, 9790, 10769, 11660, 12826, 18868, 19580, 21538, 23585, 25652, 32065, 43076, 47170, 51887, 53845, 64130, 94340, 103774, 107690, 128260, 207548, 215380, 259435, 518870, 570757, 1037740, 1141514, 2283028, 2853785, 5707570, 11415140]

約数ペア:

[(1, 11415140), (2, 5707570), (4, 2853785), (5, 2283028), (10, 1141514), (11, 1037740), (20, 570757), (22, 518870), (44, 259435), (53, 215380), (55, 207548), (89, 128260), (106, 107690), (110, 103774), (121, 94340), (178, 64130), (212, 53845), (220, 51887), (242, 47170), (265, 43076), (356, 32065), (445, 25652), (484, 23585), (530, 21538), (583, 19580), (605, 18868), (890, 12826), (979, 11660), (1060, 10769), (1166, 9790), (1210, 9434), (1780, 6413), (1958, 5830), (2332, 4895), (2420, 4717), (2915, 3916)]