198657760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25339}}^1$

素因数の和:25368

約数の個数: 72

約数和(自身を含む): 545975640

約数和(自身を除く): 347317880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25339, 50678, 101356, 126695, 177373, 202712, 253390, 354746, 405424, 506780, 709492, 810848, 886865, 1013560, 1241611, 1418984, 1773730, 2027120, 2483222, 2837968, 3547460, 4054240, 4966444, 5675936, 6208055, 7094920, 9932888, 12416110, 14189840, 19865776, 24832220, 28379680, 39731552, 49664440, 99328880, 198657760]

約数ペア:

[(1, 198657760), (2, 99328880), (4, 49664440), (5, 39731552), (7, 28379680), (8, 24832220), (10, 19865776), (14, 14189840), (16, 12416110), (20, 9932888), (28, 7094920), (32, 6208055), (35, 5675936), (40, 4966444), (49, 4054240), (56, 3547460), (70, 2837968), (80, 2483222), (98, 2027120), (112, 1773730), (140, 1418984), (160, 1241611), (196, 1013560), (224, 886865), (245, 810848), (280, 709492), (392, 506780), (490, 405424), (560, 354746), (784, 253390), (980, 202712), (1120, 177373), (1568, 126695), (1960, 101356), (3920, 50678), (7840, 25339)]