8856805540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2834

約数の個数: 144

約数和(自身を含む): 21830981760

約数和(自身を除く): 12974176220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 121, 142, 190, 209, 220, 242, 284, 355, 380, 418, 484, 605, 710, 781, 836, 1045, 1210, 1349, 1420, 1562, 2090, 2299, 2420, 2698, 2713, 3124, 3905, 4180, 4598, 5396, 5426, 6745, 7810, 8591, 9196, 10852, 11495, 13490, 13565, 14839, 15620, 17182, 22990, 26980, 27130, 29678, 29843, 34364, 42955, 45980, 51547, 54260, 59356, 59686, 74195, 85910, 103094, 119372, 148390, 149215, 163229, 171820, 192623, 206188, 257735, 296780, 298430, 326458, 328273, 385246, 515470, 567017, 596860, 652916, 656546, 770492, 816145, 963115, 1030940, 1134034, 1313092, 1632290, 1641365, 1926230, 2118853, 2268068, 2835085, 3264580, 3282730, 3659837, 3852460, 4237706, 5670170, 6237187, 6565460, 7319674, 8475412, 10594265, 11340340, 12474374, 14639348, 18299185, 21188530, 23307383, 24948748, 31185935, 36598370, 40258207, 42377060, 46614766, 62371870, 73196740, 80516414, 93229532, 116536915, 124743740, 161032828, 201291035, 233073830, 402582070, 442840277, 466147660, 805164140, 885680554, 1771361108, 2214201385, 4428402770, 8856805540]

約数ペア:

[(1, 8856805540), (2, 4428402770), (4, 2214201385), (5, 1771361108), (10, 885680554), (11, 805164140), (19, 466147660), (20, 442840277), (22, 402582070), (38, 233073830), (44, 201291035), (55, 161032828), (71, 124743740), (76, 116536915), (95, 93229532), (110, 80516414), (121, 73196740), (142, 62371870), (190, 46614766), (209, 42377060), (220, 40258207), (242, 36598370), (284, 31185935), (355, 24948748), (380, 23307383), (418, 21188530), (484, 18299185), (605, 14639348), (710, 12474374), (781, 11340340), (836, 10594265), (1045, 8475412), (1210, 7319674), (1349, 6565460), (1420, 6237187), (1562, 5670170), (2090, 4237706), (2299, 3852460), (2420, 3659837), (2698, 3282730), (2713, 3264580), (3124, 2835085), (3905, 2268068), (4180, 2118853), (4598, 1926230), (5396, 1641365), (5426, 1632290), (6745, 1313092), (7810, 1134034), (8591, 1030940), (9196, 963115), (10852, 816145), (11495, 770492), (13490, 656546), (13565, 652916), (14839, 596860), (15620, 567017), (17182, 515470), (22990, 385246), (26980, 328273), (27130, 326458), (29678, 298430), (29843, 296780), (34364, 257735), (42955, 206188), (45980, 192623), (51547, 171820), (54260, 163229), (59356, 149215), (59686, 148390), (74195, 119372), (85910, 103094)]