216534920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{110477}}^1$

素因数の和:110502

約数の個数: 48

約数和(自身を含む): 566752140

約数和(自身を除く): 350217220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 110477, 220954, 441908, 552385, 773339, 883816, 1104770, 1546678, 2209540, 3093356, 3866695, 4419080, 5413373, 6186712, 7733390, 10826746, 15466780, 21653492, 27066865, 30933560, 43306984, 54133730, 108267460, 216534920]

約数ペア:

[(1, 216534920), (2, 108267460), (4, 54133730), (5, 43306984), (7, 30933560), (8, 27066865), (10, 21653492), (14, 15466780), (20, 10826746), (28, 7733390), (35, 6186712), (40, 5413373), (49, 4419080), (56, 3866695), (70, 3093356), (98, 2209540), (140, 1546678), (196, 1104770), (245, 883816), (280, 773339), (392, 552385), (490, 441908), (980, 220954), (1960, 110477)]