27919540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 65691360

約数和(自身を除く): 37771820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 139, 166, 220, 242, 278, 332, 415, 484, 556, 605, 695, 830, 913, 1210, 1390, 1529, 1660, 1826, 2420, 2780, 3058, 3652, 4565, 6116, 7645, 9130, 10043, 11537, 15290, 16819, 18260, 20086, 23074, 30580, 33638, 40172, 46148, 50215, 57685, 67276, 84095, 100430, 115370, 126907, 168190, 200860, 230740, 253814, 336380, 507628, 634535, 1269070, 1395977, 2538140, 2791954, 5583908, 6979885, 13959770, 27919540]

約数ペア:

[(1, 27919540), (2, 13959770), (4, 6979885), (5, 5583908), (10, 2791954), (11, 2538140), (20, 1395977), (22, 1269070), (44, 634535), (55, 507628), (83, 336380), (110, 253814), (121, 230740), (139, 200860), (166, 168190), (220, 126907), (242, 115370), (278, 100430), (332, 84095), (415, 67276), (484, 57685), (556, 50215), (605, 46148), (695, 40172), (830, 33638), (913, 30580), (1210, 23074), (1390, 20086), (1529, 18260), (1660, 16819), (1826, 15290), (2420, 11537), (2780, 10043), (3058, 9130), (3652, 7645), (4565, 6116)]