203412140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{1249}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 453600000

約数和(自身を除く): 250187860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 479, 958, 1249, 1916, 2395, 2498, 4790, 4996, 6245, 8143, 9580, 12490, 16286, 21233, 24980, 32572, 40715, 42466, 81430, 84932, 106165, 162860, 212330, 424660, 598271, 1196542, 2393084, 2991355, 5982710, 10170607, 11965420, 20341214, 40682428, 50853035, 101706070, 203412140]

約数ペア:

[(1, 203412140), (2, 101706070), (4, 50853035), (5, 40682428), (10, 20341214), (17, 11965420), (20, 10170607), (34, 5982710), (68, 2991355), (85, 2393084), (170, 1196542), (340, 598271), (479, 424660), (958, 212330), (1249, 162860), (1916, 106165), (2395, 84932), (2498, 81430), (4790, 42466), (4996, 40715), (6245, 32572), (8143, 24980), (9580, 21233), (12490, 16286)]