215530870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{4217}}^1$

素因数の和:4512

約数の個数: 32

約数和(自身を含む): 409989600

約数和(自身を除く): 194458730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 1345, 2690, 4217, 5111, 8434, 10222, 21085, 25555, 42170, 51110, 80123, 160246, 400615, 801230, 1134373, 2268746, 5671865, 11343730, 21553087, 43106174, 107765435, 215530870]

約数ペア:

[(1, 215530870), (2, 107765435), (5, 43106174), (10, 21553087), (19, 11343730), (38, 5671865), (95, 2268746), (190, 1134373), (269, 801230), (538, 400615), (1345, 160246), (2690, 80123), (4217, 51110), (5111, 42170), (8434, 25555), (10222, 21085)]