1004888720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{60101}}^1$

素因数の和:60144

約数の個数: 80

約数和(自身を含む): 2682953280

約数和(自身を除く): 1678064560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 60101, 120202, 240404, 300505, 480808, 601010, 661111, 961616, 1141919, 1202020, 1322222, 2283838, 2404040, 2644444, 3305555, 4567676, 4808080, 5288888, 5709595, 6611110, 9135352, 10577776, 11419190, 12561109, 13222220, 18270704, 22838380, 25122218, 26444440, 45676760, 50244436, 52888880, 62805545, 91353520, 100488872, 125611090, 200977744, 251222180, 502444360, 1004888720]

約数ペア:

[(1, 1004888720), (2, 502444360), (4, 251222180), (5, 200977744), (8, 125611090), (10, 100488872), (11, 91353520), (16, 62805545), (19, 52888880), (20, 50244436), (22, 45676760), (38, 26444440), (40, 25122218), (44, 22838380), (55, 18270704), (76, 13222220), (80, 12561109), (88, 11419190), (95, 10577776), (110, 9135352), (152, 6611110), (176, 5709595), (190, 5288888), (209, 4808080), (220, 4567676), (304, 3305555), (380, 2644444), (418, 2404040), (440, 2283838), (760, 1322222), (836, 1202020), (880, 1141919), (1045, 961616), (1520, 661111), (1672, 601010), (2090, 480808), (3344, 300505), (4180, 240404), (8360, 120202), (16720, 60101)]