2843720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 7309440

約数和(自身を除く): 4465720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 281, 440, 460, 506, 562, 920, 1012, 1124, 1265, 1405, 2024, 2248, 2530, 2810, 3091, 5060, 5620, 6182, 6463, 10120, 11240, 12364, 12926, 15455, 24728, 25852, 30910, 32315, 51704, 61820, 64630, 71093, 123640, 129260, 142186, 258520, 284372, 355465, 568744, 710930, 1421860, 2843720]

約数ペア:

[(1, 2843720), (2, 1421860), (4, 710930), (5, 568744), (8, 355465), (10, 284372), (11, 258520), (20, 142186), (22, 129260), (23, 123640), (40, 71093), (44, 64630), (46, 61820), (55, 51704), (88, 32315), (92, 30910), (110, 25852), (115, 24728), (184, 15455), (220, 12926), (230, 12364), (253, 11240), (281, 10120), (440, 6463), (460, 6182), (506, 5620), (562, 5060), (920, 3091), (1012, 2810), (1124, 2530), (1265, 2248), (1405, 2024)]