248410240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 649882800

約数和(自身を除く): 401472560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 208, 260, 292, 320, 365, 409, 416, 520, 584, 640, 730, 818, 832, 949, 1040, 1168, 1460, 1636, 1664, 1898, 2045, 2080, 2336, 2920, 3272, 3796, 4090, 4160, 4672, 4745, 5317, 5840, 6544, 7592, 8180, 8320, 9344, 9490, 10634, 11680, 13088, 15184, 16360, 18980, 21268, 23360, 26176, 26585, 29857, 30368, 32720, 37960, 42536, 46720, 52352, 53170, 59714, 60736, 65440, 75920, 85072, 106340, 119428, 121472, 130880, 149285, 151840, 170144, 212680, 238856, 261760, 298570, 303680, 340288, 388141, 425360, 477712, 597140, 607360, 680576, 776282, 850720, 955424, 1194280, 1552564, 1701440, 1910848, 1940705, 2388560, 3105128, 3402880, 3821696, 3881410, 4777120, 6210256, 7762820, 9554240, 12420512, 15525640, 19108480, 24841024, 31051280, 49682048, 62102560, 124205120, 248410240]

約数ペア:

[(1, 248410240), (2, 124205120), (4, 62102560), (5, 49682048), (8, 31051280), (10, 24841024), (13, 19108480), (16, 15525640), (20, 12420512), (26, 9554240), (32, 7762820), (40, 6210256), (52, 4777120), (64, 3881410), (65, 3821696), (73, 3402880), (80, 3105128), (104, 2388560), (128, 1940705), (130, 1910848), (146, 1701440), (160, 1552564), (208, 1194280), (260, 955424), (292, 850720), (320, 776282), (365, 680576), (409, 607360), (416, 597140), (520, 477712), (584, 425360), (640, 388141), (730, 340288), (818, 303680), (832, 298570), (949, 261760), (1040, 238856), (1168, 212680), (1460, 170144), (1636, 151840), (1664, 149285), (1898, 130880), (2045, 121472), (2080, 119428), (2336, 106340), (2920, 85072), (3272, 75920), (3796, 65440), (4090, 60736), (4160, 59714), (4672, 53170), (4745, 52352), (5317, 46720), (5840, 42536), (6544, 37960), (7592, 32720), (8180, 30368), (8320, 29857), (9344, 26585), (9490, 26176), (10634, 23360), (11680, 21268), (13088, 18980), (15184, 16360)]