223538980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 548589888

約数和(自身を除く): 325050908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 490, 614, 743, 980, 1228, 1486, 1535, 2149, 2972, 3070, 3715, 4298, 5201, 6140, 7430, 8596, 10402, 10745, 14860, 15043, 20804, 21490, 26005, 30086, 36407, 42980, 52010, 60172, 72814, 75215, 104020, 145628, 150430, 182035, 228101, 300860, 364070, 456202, 728140, 912404, 1140505, 1596707, 2281010, 3193414, 4562020, 6386828, 7983535, 11176949, 15967070, 22353898, 31934140, 44707796, 55884745, 111769490, 223538980]

約数ペア:

[(1, 223538980), (2, 111769490), (4, 55884745), (5, 44707796), (7, 31934140), (10, 22353898), (14, 15967070), (20, 11176949), (28, 7983535), (35, 6386828), (49, 4562020), (70, 3193414), (98, 2281010), (140, 1596707), (196, 1140505), (245, 912404), (307, 728140), (490, 456202), (614, 364070), (743, 300860), (980, 228101), (1228, 182035), (1486, 150430), (1535, 145628), (2149, 104020), (2972, 75215), (3070, 72814), (3715, 60172), (4298, 52010), (5201, 42980), (6140, 36407), (7430, 30086), (8596, 26005), (10402, 21490), (10745, 20804), (14860, 15043)]