788007220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5623}}^1$

素因数の和:5670

約数の個数: 144

約数和(自身を含む): 2261927808

約数和(自身を除く): 1473920588

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1274, 1430, 1540, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 4004, 5005, 5390, 5623, 6370, 7007, 10010, 10780, 11246, 12740, 14014, 20020, 22492, 28028, 28115, 35035, 39361, 56230, 61853, 70070, 73099, 78722, 112460, 123706, 140140, 146198, 157444, 196805, 247412, 275527, 292396, 309265, 365495, 393610, 432971, 511693, 551054, 618530, 730990, 787220, 804089, 865942, 1023386, 1102108, 1237060, 1377635, 1461980, 1608178, 1731884, 2046772, 2164855, 2558465, 2755270, 3030797, 3216356, 3581851, 4020445, 4329710, 5116930, 5510540, 5628623, 6061594, 7163702, 8040890, 8659420, 10233860, 11257246, 12123188, 14327404, 15153985, 16081780, 17909255, 22514492, 28143115, 30307970, 35818510, 39400361, 56286230, 60615940, 71637020, 78800722, 112572460, 157601444, 197001805, 394003610, 788007220]

約数ペア:

[(1, 788007220), (2, 394003610), (4, 197001805), (5, 157601444), (7, 112572460), (10, 78800722), (11, 71637020), (13, 60615940), (14, 56286230), (20, 39400361), (22, 35818510), (26, 30307970), (28, 28143115), (35, 22514492), (44, 17909255), (49, 16081780), (52, 15153985), (55, 14327404), (65, 12123188), (70, 11257246), (77, 10233860), (91, 8659420), (98, 8040890), (110, 7163702), (130, 6061594), (140, 5628623), (143, 5510540), (154, 5116930), (182, 4329710), (196, 4020445), (220, 3581851), (245, 3216356), (260, 3030797), (286, 2755270), (308, 2558465), (364, 2164855), (385, 2046772), (455, 1731884), (490, 1608178), (539, 1461980), (572, 1377635), (637, 1237060), (715, 1102108), (770, 1023386), (910, 865942), (980, 804089), (1001, 787220), (1078, 730990), (1274, 618530), (1430, 551054), (1540, 511693), (1820, 432971), (2002, 393610), (2156, 365495), (2548, 309265), (2695, 292396), (2860, 275527), (3185, 247412), (4004, 196805), (5005, 157444), (5390, 146198), (5623, 140140), (6370, 123706), (7007, 112460), (10010, 78722), (10780, 73099), (11246, 70070), (12740, 61853), (14014, 56230), (20020, 39361), (22492, 35035), (28028, 28115)]