289774880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 708196608

約数和(自身を除く): 418421728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 163, 164, 205, 271, 326, 328, 410, 542, 652, 656, 815, 820, 1084, 1304, 1312, 1355, 1630, 1640, 2168, 2608, 2710, 3260, 3280, 4336, 5216, 5420, 6520, 6560, 6683, 8672, 10840, 11111, 13040, 13366, 21680, 22222, 26080, 26732, 33415, 43360, 44173, 44444, 53464, 55555, 66830, 88346, 88888, 106928, 111110, 133660, 176692, 177776, 213856, 220865, 222220, 267320, 353384, 355552, 441730, 444440, 534640, 706768, 883460, 888880, 1069280, 1413536, 1766920, 1777760, 1811093, 3533840, 3622186, 7067680, 7244372, 9055465, 14488744, 18110930, 28977488, 36221860, 57954976, 72443720, 144887440, 289774880]

約数ペア:

[(1, 289774880), (2, 144887440), (4, 72443720), (5, 57954976), (8, 36221860), (10, 28977488), (16, 18110930), (20, 14488744), (32, 9055465), (40, 7244372), (41, 7067680), (80, 3622186), (82, 3533840), (160, 1811093), (163, 1777760), (164, 1766920), (205, 1413536), (271, 1069280), (326, 888880), (328, 883460), (410, 706768), (542, 534640), (652, 444440), (656, 441730), (815, 355552), (820, 353384), (1084, 267320), (1304, 222220), (1312, 220865), (1355, 213856), (1630, 177776), (1640, 176692), (2168, 133660), (2608, 111110), (2710, 106928), (3260, 88888), (3280, 88346), (4336, 66830), (5216, 55555), (5420, 53464), (6520, 44444), (6560, 44173), (6683, 43360), (8672, 33415), (10840, 26732), (11111, 26080), (13040, 22222), (13366, 21680)]