78387350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 155086800

約数和(自身を除く): 76699450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 475, 545, 757, 950, 1090, 1514, 2071, 2725, 3785, 4142, 5450, 7570, 10355, 14383, 18925, 20710, 28766, 37850, 51775, 71915, 82513, 103550, 143830, 165026, 359575, 412565, 719150, 825130, 1567747, 2062825, 3135494, 4125650, 7838735, 15677470, 39193675, 78387350]

約数ペア:

[(1, 78387350), (2, 39193675), (5, 15677470), (10, 7838735), (19, 4125650), (25, 3135494), (38, 2062825), (50, 1567747), (95, 825130), (109, 719150), (190, 412565), (218, 359575), (475, 165026), (545, 143830), (757, 103550), (950, 82513), (1090, 71915), (1514, 51775), (2071, 37850), (2725, 28766), (3785, 20710), (4142, 18925), (5450, 14383), (7570, 10355)]