219442870

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 401345280

約数和(自身を除く): 181902410

約数列:

[1, 2, 5, 10, 83, 166, 415, 419, 631, 830, 838, 1262, 2095, 3155, 4190, 6310, 34777, 52373, 69554, 104746, 173885, 261865, 264389, 347770, 523730, 528778, 1321945, 2643890, 21944287, 43888574, 109721435, 219442870]

約数ペア:

[(1, 219442870), (2, 109721435), (5, 43888574), (10, 21944287), (83, 2643890), (166, 1321945), (415, 528778), (419, 523730), (631, 347770), (830, 264389), (838, 261865), (1262, 173885), (2095, 104746), (3155, 69554), (4190, 52373), (6310, 34777)]