215521600

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{2749}}^1$

素因数の和:2785

約数の個数: 126

約数和(自身を含む): 617124750

約数和(自身を除く): 401603150

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1600, 1960, 2240, 2450, 2749, 2800, 3136, 3920, 4900, 5498, 5600, 7840, 9800, 10996, 11200, 13745, 15680, 19243, 19600, 21992, 27490, 38486, 39200, 43984, 54980, 68725, 76972, 78400, 87968, 96215, 109960, 134701, 137450, 153944, 175936, 192430, 219920, 269402, 274900, 307888, 384860, 439840, 481075, 538804, 549800, 615776, 673505, 769720, 879680, 962150, 1077608, 1099600, 1231552, 1347010, 1539440, 1924300, 2155216, 2199200, 2694020, 3078880, 3367525, 3848600, 4310432, 4398400, 5388040, 6157760, 6735050, 7697200, 8620864, 10776080, 13470100, 15394400, 21552160, 26940200, 30788800, 43104320, 53880400, 107760800, 215521600]

約数ペア:

[(1, 215521600), (2, 107760800), (4, 53880400), (5, 43104320), (7, 30788800), (8, 26940200), (10, 21552160), (14, 15394400), (16, 13470100), (20, 10776080), (25, 8620864), (28, 7697200), (32, 6735050), (35, 6157760), (40, 5388040), (49, 4398400), (50, 4310432), (56, 3848600), (64, 3367525), (70, 3078880), (80, 2694020), (98, 2199200), (100, 2155216), (112, 1924300), (140, 1539440), (160, 1347010), (175, 1231552), (196, 1099600), (200, 1077608), (224, 962150), (245, 879680), (280, 769720), (320, 673505), (350, 615776), (392, 549800), (400, 538804), (448, 481075), (490, 439840), (560, 384860), (700, 307888), (784, 274900), (800, 269402), (980, 219920), (1120, 192430), (1225, 175936), (1400, 153944), (1568, 137450), (1600, 134701), (1960, 109960), (2240, 96215), (2450, 87968), (2749, 78400), (2800, 76972), (3136, 68725), (3920, 54980), (4900, 43984), (5498, 39200), (5600, 38486), (7840, 27490), (9800, 21992), (10996, 19600), (11200, 19243), (13745, 15680)]