2490400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:314

約数の個数: 72

約数和(自身を含む): 6655824

約数和(自身を除く): 4165424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 283, 352, 400, 440, 550, 566, 800, 880, 1100, 1132, 1415, 1760, 2200, 2264, 2830, 3113, 4400, 4528, 5660, 6226, 7075, 8800, 9056, 11320, 12452, 14150, 15565, 22640, 24904, 28300, 31130, 45280, 49808, 56600, 62260, 77825, 99616, 113200, 124520, 155650, 226400, 249040, 311300, 498080, 622600, 1245200, 2490400]

約数ペア:

[(1, 2490400), (2, 1245200), (4, 622600), (5, 498080), (8, 311300), (10, 249040), (11, 226400), (16, 155650), (20, 124520), (22, 113200), (25, 99616), (32, 77825), (40, 62260), (44, 56600), (50, 49808), (55, 45280), (80, 31130), (88, 28300), (100, 24904), (110, 22640), (160, 15565), (176, 14150), (200, 12452), (220, 11320), (275, 9056), (283, 8800), (352, 7075), (400, 6226), (440, 5660), (550, 4528), (566, 4400), (800, 3113), (880, 2830), (1100, 2264), (1132, 2200), (1415, 1760)]