253925840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 692268192

約数和(自身を除く): 438342352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 211, 245, 280, 307, 392, 422, 490, 560, 614, 784, 844, 980, 1055, 1228, 1477, 1535, 1688, 1960, 2110, 2149, 2456, 2954, 3070, 3376, 3920, 4220, 4298, 4912, 5908, 6140, 7385, 8440, 8596, 10339, 10745, 11816, 12280, 14770, 15043, 16880, 17192, 20678, 21490, 23632, 24560, 29540, 30086, 34384, 41356, 42980, 51695, 59080, 60172, 64777, 75215, 82712, 85960, 103390, 118160, 120344, 129554, 150430, 165424, 171920, 206780, 240688, 259108, 300860, 323885, 413560, 453439, 518216, 601720, 647770, 827120, 906878, 1036432, 1203440, 1295540, 1813756, 2267195, 2591080, 3174073, 3627512, 4534390, 5182160, 6348146, 7255024, 9068780, 12696292, 15870365, 18137560, 25392584, 31740730, 36275120, 50785168, 63481460, 126962920, 253925840]

約数ペア:

[(1, 253925840), (2, 126962920), (4, 63481460), (5, 50785168), (7, 36275120), (8, 31740730), (10, 25392584), (14, 18137560), (16, 15870365), (20, 12696292), (28, 9068780), (35, 7255024), (40, 6348146), (49, 5182160), (56, 4534390), (70, 3627512), (80, 3174073), (98, 2591080), (112, 2267195), (140, 1813756), (196, 1295540), (211, 1203440), (245, 1036432), (280, 906878), (307, 827120), (392, 647770), (422, 601720), (490, 518216), (560, 453439), (614, 413560), (784, 323885), (844, 300860), (980, 259108), (1055, 240688), (1228, 206780), (1477, 171920), (1535, 165424), (1688, 150430), (1960, 129554), (2110, 120344), (2149, 118160), (2456, 103390), (2954, 85960), (3070, 82712), (3376, 75215), (3920, 64777), (4220, 60172), (4298, 59080), (4912, 51695), (5908, 42980), (6140, 41356), (7385, 34384), (8440, 30086), (8596, 29540), (10339, 24560), (10745, 23632), (11816, 21490), (12280, 20678), (14770, 17192), (15043, 16880)]