2783507320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 7017062400

約数和(自身を除く): 4233555080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 281, 376, 440, 470, 479, 517, 562, 940, 958, 1034, 1124, 1405, 1880, 1916, 2068, 2248, 2395, 2585, 2810, 3091, 3832, 4136, 4790, 5170, 5269, 5620, 6182, 9580, 10340, 10538, 11240, 12364, 13207, 15455, 19160, 20680, 21076, 22513, 24728, 26345, 26414, 30910, 42152, 45026, 52690, 52828, 61820, 66035, 90052, 105380, 105656, 112565, 123640, 132070, 134599, 145277, 180104, 210760, 225130, 247643, 264140, 269198, 290554, 450260, 495286, 528280, 538396, 581108, 672995, 726385, 900520, 990572, 1076792, 1162216, 1238215, 1345990, 1452770, 1480589, 1981144, 2476430, 2691980, 2905540, 2961178, 4952860, 5383960, 5811080, 5922356, 6326153, 7402945, 9905720, 11844712, 12652306, 14805890, 25304612, 29611780, 31630765, 50609224, 59223560, 63261530, 69587683, 126523060, 139175366, 253046120, 278350732, 347938415, 556701464, 695876830, 1391753660, 2783507320]

約数ペア:

[(1, 2783507320), (2, 1391753660), (4, 695876830), (5, 556701464), (8, 347938415), (10, 278350732), (11, 253046120), (20, 139175366), (22, 126523060), (40, 69587683), (44, 63261530), (47, 59223560), (55, 50609224), (88, 31630765), (94, 29611780), (110, 25304612), (188, 14805890), (220, 12652306), (235, 11844712), (281, 9905720), (376, 7402945), (440, 6326153), (470, 5922356), (479, 5811080), (517, 5383960), (562, 4952860), (940, 2961178), (958, 2905540), (1034, 2691980), (1124, 2476430), (1405, 1981144), (1880, 1480589), (1916, 1452770), (2068, 1345990), (2248, 1238215), (2395, 1162216), (2585, 1076792), (2810, 990572), (3091, 900520), (3832, 726385), (4136, 672995), (4790, 581108), (5170, 538396), (5269, 528280), (5620, 495286), (6182, 450260), (9580, 290554), (10340, 269198), (10538, 264140), (11240, 247643), (12364, 225130), (13207, 210760), (15455, 180104), (19160, 145277), (20680, 134599), (21076, 132070), (22513, 123640), (24728, 112565), (26345, 105656), (26414, 105380), (30910, 90052), (42152, 66035), (45026, 61820), (52690, 52828)]