201999990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{38921}}^1$

素因数の和:39104

約数の個数: 32

約数和(自身を含む): 487614816

約数和(自身を除く): 285614826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 5190, 38921, 77842, 116763, 194605, 233526, 389210, 583815, 1167630, 6733333, 13466666, 20199999, 33666665, 40399998, 67333330, 100999995, 201999990]

約数ペア:

[(1, 201999990), (2, 100999995), (3, 67333330), (5, 40399998), (6, 33666665), (10, 20199999), (15, 13466666), (30, 6733333), (173, 1167630), (346, 583815), (519, 389210), (865, 233526), (1038, 194605), (1730, 116763), (2595, 77842), (5190, 38921)]