489548800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1514

約数の個数: 132

約数和(自身を含む): 1307721856

約数和(自身を除く): 818173056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1280, 1300, 1471, 1600, 1664, 2080, 2560, 2600, 2942, 3200, 3328, 4160, 5120, 5200, 5884, 6400, 6656, 7355, 8320, 10400, 11768, 12800, 13312, 14710, 16640, 19123, 20800, 23536, 25600, 29420, 33280, 36775, 38246, 41600, 47072, 58840, 66560, 73550, 76492, 83200, 94144, 95615, 117680, 147100, 152984, 166400, 188288, 191230, 235360, 294200, 305968, 332800, 376576, 382460, 470720, 478075, 588400, 611936, 753152, 764920, 941440, 956150, 1176800, 1223872, 1506304, 1529840, 1882880, 1912300, 2353600, 2447744, 3059680, 3765760, 3824600, 4707200, 4895488, 6119360, 7531520, 7649200, 9414400, 9790976, 12238720, 15298400, 18828800, 19581952, 24477440, 30596800, 37657600, 48954880, 61193600, 97909760, 122387200, 244774400, 489548800]

約数ペア:

[(1, 489548800), (2, 244774400), (4, 122387200), (5, 97909760), (8, 61193600), (10, 48954880), (13, 37657600), (16, 30596800), (20, 24477440), (25, 19581952), (26, 18828800), (32, 15298400), (40, 12238720), (50, 9790976), (52, 9414400), (64, 7649200), (65, 7531520), (80, 6119360), (100, 4895488), (104, 4707200), (128, 3824600), (130, 3765760), (160, 3059680), (200, 2447744), (208, 2353600), (256, 1912300), (260, 1882880), (320, 1529840), (325, 1506304), (400, 1223872), (416, 1176800), (512, 956150), (520, 941440), (640, 764920), (650, 753152), (800, 611936), (832, 588400), (1024, 478075), (1040, 470720), (1280, 382460), (1300, 376576), (1471, 332800), (1600, 305968), (1664, 294200), (2080, 235360), (2560, 191230), (2600, 188288), (2942, 166400), (3200, 152984), (3328, 147100), (4160, 117680), (5120, 95615), (5200, 94144), (5884, 83200), (6400, 76492), (6656, 73550), (7355, 66560), (8320, 58840), (10400, 47072), (11768, 41600), (12800, 38246), (13312, 36775), (14710, 33280), (16640, 29420), (19123, 25600), (20800, 23536)]