90310220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 256773888

約数和(自身を除く): 166463668

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 169, 182, 220, 260, 286, 308, 338, 347, 364, 385, 455, 572, 676, 694, 715, 770, 845, 910, 1001, 1183, 1388, 1430, 1540, 1690, 1735, 1820, 1859, 2002, 2366, 2429, 2860, 3380, 3470, 3718, 3817, 4004, 4511, 4732, 4858, 5005, 5915, 6940, 7436, 7634, 9022, 9295, 9716, 10010, 11830, 12145, 13013, 15268, 18044, 18590, 19085, 20020, 22555, 23660, 24290, 26026, 26719, 31577, 37180, 38170, 45110, 48580, 49621, 52052, 53438, 58643, 63154, 65065, 76340, 90220, 99242, 106876, 117286, 126308, 130130, 133595, 157885, 198484, 234572, 248105, 260260, 267190, 293215, 315770, 347347, 410501, 496210, 534380, 586430, 631540, 645073, 694694, 821002, 992420, 1172860, 1290146, 1389388, 1642004, 1736735, 2052505, 2580292, 3225365, 3473470, 4105010, 4515511, 6450730, 6946940, 8210020, 9031022, 12901460, 18062044, 22577555, 45155110, 90310220]

約数ペア:

[(1, 90310220), (2, 45155110), (4, 22577555), (5, 18062044), (7, 12901460), (10, 9031022), (11, 8210020), (13, 6946940), (14, 6450730), (20, 4515511), (22, 4105010), (26, 3473470), (28, 3225365), (35, 2580292), (44, 2052505), (52, 1736735), (55, 1642004), (65, 1389388), (70, 1290146), (77, 1172860), (91, 992420), (110, 821002), (130, 694694), (140, 645073), (143, 631540), (154, 586430), (169, 534380), (182, 496210), (220, 410501), (260, 347347), (286, 315770), (308, 293215), (338, 267190), (347, 260260), (364, 248105), (385, 234572), (455, 198484), (572, 157885), (676, 133595), (694, 130130), (715, 126308), (770, 117286), (845, 106876), (910, 99242), (1001, 90220), (1183, 76340), (1388, 65065), (1430, 63154), (1540, 58643), (1690, 53438), (1735, 52052), (1820, 49621), (1859, 48580), (2002, 45110), (2366, 38170), (2429, 37180), (2860, 31577), (3380, 26719), (3470, 26026), (3718, 24290), (3817, 23660), (4004, 22555), (4511, 20020), (4732, 19085), (4858, 18590), (5005, 18044), (5915, 15268), (6940, 13013), (7436, 12145), (7634, 11830), (9022, 10010), (9295, 9716)]