127985990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 265239360

約数和(自身を除く): 137253370

約数列:

[1, 2, 5, 10, 11, 22, 29, 53, 55, 58, 106, 110, 145, 265, 290, 319, 530, 583, 638, 757, 1166, 1514, 1537, 1595, 2915, 3074, 3190, 3785, 5830, 7570, 7685, 8327, 15370, 16654, 16907, 21953, 33814, 40121, 41635, 43906, 80242, 83270, 84535, 109765, 169070, 200605, 219530, 241483, 401210, 441331, 482966, 882662, 1163509, 1207415, 2206655, 2327018, 2414830, 4413310, 5817545, 11635090, 12798599, 25597198, 63992995, 127985990]

約数ペア:

[(1, 127985990), (2, 63992995), (5, 25597198), (10, 12798599), (11, 11635090), (22, 5817545), (29, 4413310), (53, 2414830), (55, 2327018), (58, 2206655), (106, 1207415), (110, 1163509), (145, 882662), (265, 482966), (290, 441331), (319, 401210), (530, 241483), (583, 219530), (638, 200605), (757, 169070), (1166, 109765), (1514, 84535), (1537, 83270), (1595, 80242), (2915, 43906), (3074, 41635), (3190, 40121), (3785, 33814), (5830, 21953), (7570, 16907), (7685, 16654), (8327, 15370)]