211849400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{389}}^2$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 564364920

約数和(自身を除く): 352515520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 389, 700, 778, 1400, 1556, 1945, 2723, 3112, 3890, 5446, 7780, 9725, 10892, 13615, 15560, 19450, 21784, 27230, 38900, 54460, 68075, 77800, 108920, 136150, 151321, 272300, 302642, 544600, 605284, 756605, 1059247, 1210568, 1513210, 2118494, 3026420, 3783025, 4236988, 5296235, 6052840, 7566050, 8473976, 10592470, 15132100, 21184940, 26481175, 30264200, 42369880, 52962350, 105924700, 211849400]

約数ペア:

[(1, 211849400), (2, 105924700), (4, 52962350), (5, 42369880), (7, 30264200), (8, 26481175), (10, 21184940), (14, 15132100), (20, 10592470), (25, 8473976), (28, 7566050), (35, 6052840), (40, 5296235), (50, 4236988), (56, 3783025), (70, 3026420), (100, 2118494), (140, 1513210), (175, 1210568), (200, 1059247), (280, 756605), (350, 605284), (389, 544600), (700, 302642), (778, 272300), (1400, 151321), (1556, 136150), (1945, 108920), (2723, 77800), (3112, 68075), (3890, 54460), (5446, 38900), (7780, 27230), (9725, 21784), (10892, 19450), (13615, 15560)]