21971600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 180

約数和(自身を含む): 65732400

約数和(自身を除く): 43760800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 59, 70, 76, 80, 95, 98, 100, 112, 118, 133, 140, 152, 175, 190, 196, 200, 236, 245, 266, 280, 295, 304, 350, 380, 392, 400, 413, 472, 475, 490, 532, 560, 590, 665, 700, 760, 784, 826, 931, 944, 950, 980, 1064, 1121, 1180, 1225, 1330, 1400, 1475, 1520, 1652, 1862, 1900, 1960, 2065, 2128, 2242, 2360, 2450, 2660, 2800, 2891, 2950, 3304, 3325, 3724, 3800, 3920, 4130, 4484, 4655, 4720, 4900, 5320, 5605, 5782, 5900, 6608, 6650, 7448, 7600, 7847, 8260, 8968, 9310, 9800, 10325, 10640, 11210, 11564, 11800, 13300, 14455, 14896, 15694, 16520, 17936, 18620, 19600, 20650, 22420, 23128, 23275, 23600, 26600, 28025, 28910, 31388, 33040, 37240, 39235, 41300, 44840, 46256, 46550, 53200, 54929, 56050, 57820, 62776, 72275, 74480, 78470, 82600, 89680, 93100, 109858, 112100, 115640, 125552, 144550, 156940, 165200, 186200, 196175, 219716, 224200, 231280, 274645, 289100, 313880, 372400, 392350, 439432, 448400, 549290, 578200, 627760, 784700, 878864, 1098580, 1156400, 1373225, 1569400, 2197160, 2746450, 3138800, 4394320, 5492900, 10985800, 21971600]

約数ペア:

[(1, 21971600), (2, 10985800), (4, 5492900), (5, 4394320), (7, 3138800), (8, 2746450), (10, 2197160), (14, 1569400), (16, 1373225), (19, 1156400), (20, 1098580), (25, 878864), (28, 784700), (35, 627760), (38, 578200), (40, 549290), (49, 448400), (50, 439432), (56, 392350), (59, 372400), (70, 313880), (76, 289100), (80, 274645), (95, 231280), (98, 224200), (100, 219716), (112, 196175), (118, 186200), (133, 165200), (140, 156940), (152, 144550), (175, 125552), (190, 115640), (196, 112100), (200, 109858), (236, 93100), (245, 89680), (266, 82600), (280, 78470), (295, 74480), (304, 72275), (350, 62776), (380, 57820), (392, 56050), (400, 54929), (413, 53200), (472, 46550), (475, 46256), (490, 44840), (532, 41300), (560, 39235), (590, 37240), (665, 33040), (700, 31388), (760, 28910), (784, 28025), (826, 26600), (931, 23600), (944, 23275), (950, 23128), (980, 22420), (1064, 20650), (1121, 19600), (1180, 18620), (1225, 17936), (1330, 16520), (1400, 15694), (1475, 14896), (1520, 14455), (1652, 13300), (1862, 11800), (1900, 11564), (1960, 11210), (2065, 10640), (2128, 10325), (2242, 9800), (2360, 9310), (2450, 8968), (2660, 8260), (2800, 7847), (2891, 7600), (2950, 7448), (3304, 6650), (3325, 6608), (3724, 5900), (3800, 5782), (3920, 5605), (4130, 5320), (4484, 4900), (4655, 4720)]