2906800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 90

約数和(自身を含む): 7737972

約数和(自身を除く): 4831172

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 169, 172, 200, 208, 215, 260, 325, 338, 344, 400, 430, 520, 559, 650, 676, 688, 845, 860, 1040, 1075, 1118, 1300, 1352, 1690, 1720, 2150, 2236, 2600, 2704, 2795, 3380, 3440, 4225, 4300, 4472, 5200, 5590, 6760, 7267, 8450, 8600, 8944, 11180, 13520, 13975, 14534, 16900, 17200, 22360, 27950, 29068, 33800, 36335, 44720, 55900, 58136, 67600, 72670, 111800, 116272, 145340, 181675, 223600, 290680, 363350, 581360, 726700, 1453400, 2906800]

約数ペア:

[(1, 2906800), (2, 1453400), (4, 726700), (5, 581360), (8, 363350), (10, 290680), (13, 223600), (16, 181675), (20, 145340), (25, 116272), (26, 111800), (40, 72670), (43, 67600), (50, 58136), (52, 55900), (65, 44720), (80, 36335), (86, 33800), (100, 29068), (104, 27950), (130, 22360), (169, 17200), (172, 16900), (200, 14534), (208, 13975), (215, 13520), (260, 11180), (325, 8944), (338, 8600), (344, 8450), (400, 7267), (430, 6760), (520, 5590), (559, 5200), (650, 4472), (676, 4300), (688, 4225), (845, 3440), (860, 3380), (1040, 2795), (1075, 2704), (1118, 2600), (1300, 2236), (1352, 2150), (1690, 1720)]