2179280050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{659}}^1$

素因数の和:808

約数の個数: 72

約数和(自身を含む): 4346931600

約数和(自身を除く): 2167651550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 659, 950, 1121, 1318, 1475, 2242, 2950, 3295, 3481, 5605, 6590, 6962, 11210, 12521, 16475, 17405, 25042, 28025, 32950, 34810, 38881, 56050, 62605, 66139, 77762, 87025, 125210, 132278, 174050, 194405, 313025, 330695, 388810, 626050, 661390, 738739, 972025, 1477478, 1653475, 1944050, 2293979, 3306950, 3693695, 4587958, 7387390, 11469895, 18468475, 22939790, 36936950, 43585601, 57349475, 87171202, 114698950, 217928005, 435856010, 1089640025, 2179280050]

約数ペア:

[(1, 2179280050), (2, 1089640025), (5, 435856010), (10, 217928005), (19, 114698950), (25, 87171202), (38, 57349475), (50, 43585601), (59, 36936950), (95, 22939790), (118, 18468475), (190, 11469895), (295, 7387390), (475, 4587958), (590, 3693695), (659, 3306950), (950, 2293979), (1121, 1944050), (1318, 1653475), (1475, 1477478), (2242, 972025), (2950, 738739), (3295, 661390), (3481, 626050), (5605, 388810), (6590, 330695), (6962, 313025), (11210, 194405), (12521, 174050), (16475, 132278), (17405, 125210), (25042, 87025), (28025, 77762), (32950, 66139), (34810, 62605), (38881, 56050)]