156965450

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 299043360

約数和(自身を除く): 142077910

約数列:

[1, 2, 5, 10, 25, 50, 83, 109, 166, 218, 347, 415, 545, 694, 830, 1090, 1735, 2075, 2725, 3470, 4150, 5450, 8675, 9047, 17350, 18094, 28801, 37823, 45235, 57602, 75646, 90470, 144005, 189115, 226175, 288010, 378230, 452350, 720025, 945575, 1440050, 1891150, 3139309, 6278618, 15696545, 31393090, 78482725, 156965450]

約数ペア:

[(1, 156965450), (2, 78482725), (5, 31393090), (10, 15696545), (25, 6278618), (50, 3139309), (83, 1891150), (109, 1440050), (166, 945575), (218, 720025), (347, 452350), (415, 378230), (545, 288010), (694, 226175), (830, 189115), (1090, 144005), (1735, 90470), (2075, 75646), (2725, 57602), (3470, 45235), (4150, 37823), (5450, 28801), (8675, 18094), (9047, 17350)]