28170730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 34037270

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 266, 295, 359, 413, 590, 665, 718, 826, 1121, 1330, 1795, 2065, 2242, 2513, 3590, 4130, 5026, 5605, 6821, 7847, 11210, 12565, 13642, 15694, 21181, 25130, 34105, 39235, 42362, 47747, 68210, 78470, 95494, 105905, 148267, 211810, 238735, 296534, 402439, 477470, 741335, 804878, 1482670, 2012195, 2817073, 4024390, 5634146, 14085365, 28170730]

約数ペア:

[(1, 28170730), (2, 14085365), (5, 5634146), (7, 4024390), (10, 2817073), (14, 2012195), (19, 1482670), (35, 804878), (38, 741335), (59, 477470), (70, 402439), (95, 296534), (118, 238735), (133, 211810), (190, 148267), (266, 105905), (295, 95494), (359, 78470), (413, 68210), (590, 47747), (665, 42362), (718, 39235), (826, 34105), (1121, 25130), (1330, 21181), (1795, 15694), (2065, 13642), (2242, 12565), (2513, 11210), (3590, 7847), (4130, 6821), (5026, 5605)]