138508990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 266169888

約数和(自身を除く): 127660898

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 173, 230, 295, 346, 590, 865, 1357, 1730, 2714, 3481, 3979, 6785, 6962, 7958, 10207, 13570, 17405, 19895, 20414, 34810, 39790, 51035, 80063, 102070, 160126, 234761, 400315, 469522, 602213, 800630, 1173805, 1204426, 2347610, 3011065, 6022130, 13850899, 27701798, 69254495, 138508990]

約数ペア:

[(1, 138508990), (2, 69254495), (5, 27701798), (10, 13850899), (23, 6022130), (46, 3011065), (59, 2347610), (115, 1204426), (118, 1173805), (173, 800630), (230, 602213), (295, 469522), (346, 400315), (590, 234761), (865, 160126), (1357, 102070), (1730, 80063), (2714, 51035), (3481, 39790), (3979, 34810), (6785, 20414), (6962, 19895), (7958, 17405), (10207, 13570)]