12690700

素因数分解:

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

素因数の和:247

約数の個数: 72

約数和(自身を含む): 30623040

約数和(自身を除く): 17932340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 83, 100, 110, 139, 166, 220, 275, 278, 332, 415, 550, 556, 695, 830, 913, 1100, 1390, 1529, 1660, 1826, 2075, 2780, 3058, 3475, 3652, 4150, 4565, 6116, 6950, 7645, 8300, 9130, 11537, 13900, 15290, 18260, 22825, 23074, 30580, 38225, 45650, 46148, 57685, 76450, 91300, 115370, 126907, 152900, 230740, 253814, 288425, 507628, 576850, 634535, 1153700, 1269070, 2538140, 3172675, 6345350, 12690700]

約数ペア:

[(1, 12690700), (2, 6345350), (4, 3172675), (5, 2538140), (10, 1269070), (11, 1153700), (20, 634535), (22, 576850), (25, 507628), (44, 288425), (50, 253814), (55, 230740), (83, 152900), (100, 126907), (110, 115370), (139, 91300), (166, 76450), (220, 57685), (275, 46148), (278, 45650), (332, 38225), (415, 30580), (550, 23074), (556, 22825), (695, 18260), (830, 15290), (913, 13900), (1100, 11537), (1390, 9130), (1529, 8300), (1660, 7645), (1826, 6950), (2075, 6116), (2780, 4565), (3058, 4150), (3475, 3652)]