220023100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 524966400

約数和(自身を除く): 304943300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 550, 556, 695, 1100, 1390, 1439, 1529, 2780, 2878, 3058, 3475, 5756, 6116, 6950, 7195, 7645, 13900, 14390, 15290, 15829, 28780, 30580, 31658, 35975, 38225, 63316, 71950, 76450, 79145, 143900, 152900, 158290, 200021, 316580, 395725, 400042, 791450, 800084, 1000105, 1582900, 2000210, 2200231, 4000420, 4400462, 5000525, 8800924, 10001050, 11001155, 20002100, 22002310, 44004620, 55005775, 110011550, 220023100]

約数ペア:

[(1, 220023100), (2, 110011550), (4, 55005775), (5, 44004620), (10, 22002310), (11, 20002100), (20, 11001155), (22, 10001050), (25, 8800924), (44, 5000525), (50, 4400462), (55, 4000420), (100, 2200231), (110, 2000210), (139, 1582900), (220, 1000105), (275, 800084), (278, 791450), (550, 400042), (556, 395725), (695, 316580), (1100, 200021), (1390, 158290), (1439, 152900), (1529, 143900), (2780, 79145), (2878, 76450), (3058, 71950), (3475, 63316), (5756, 38225), (6116, 35975), (6950, 31658), (7195, 30580), (7645, 28780), (13900, 15829), (14390, 15290)]