17780874100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{2251}}^1$

素因数の和:2486

約数の個数: 144

約数和(自身を含む): 43348225536

約数和(自身を除く): 25567351436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 167, 172, 215, 220, 275, 334, 430, 473, 550, 668, 835, 860, 946, 1075, 1100, 1670, 1837, 1892, 2150, 2251, 2365, 3340, 3674, 4175, 4300, 4502, 4730, 7181, 7348, 8350, 9004, 9185, 9460, 11255, 11825, 14362, 16700, 18370, 22510, 23650, 24761, 28724, 35905, 36740, 45020, 45925, 47300, 49522, 56275, 71810, 78991, 91850, 96793, 99044, 112550, 123805, 143620, 157982, 179525, 183700, 193586, 225100, 247610, 315964, 359050, 375917, 387172, 394955, 483965, 495220, 619025, 718100, 751834, 789910, 967930, 1064723, 1238050, 1503668, 1579820, 1879585, 1935860, 1974775, 2129446, 2419825, 2476100, 3759170, 3949550, 4135087, 4258892, 4839650, 5323615, 7518340, 7899100, 8270174, 9397925, 9679300, 10647230, 16164431, 16540348, 18795850, 20675435, 21294460, 26618075, 32328862, 37591700, 41350870, 53236150, 64657724, 80822155, 82701740, 103377175, 106472300, 161644310, 177808741, 206754350, 323288620, 355617482, 404110775, 413508700, 711234964, 808221550, 889043705, 1616443100, 1778087410, 3556174820, 4445218525, 8890437050, 17780874100]

約数ペア:

[(1, 17780874100), (2, 8890437050), (4, 4445218525), (5, 3556174820), (10, 1778087410), (11, 1616443100), (20, 889043705), (22, 808221550), (25, 711234964), (43, 413508700), (44, 404110775), (50, 355617482), (55, 323288620), (86, 206754350), (100, 177808741), (110, 161644310), (167, 106472300), (172, 103377175), (215, 82701740), (220, 80822155), (275, 64657724), (334, 53236150), (430, 41350870), (473, 37591700), (550, 32328862), (668, 26618075), (835, 21294460), (860, 20675435), (946, 18795850), (1075, 16540348), (1100, 16164431), (1670, 10647230), (1837, 9679300), (1892, 9397925), (2150, 8270174), (2251, 7899100), (2365, 7518340), (3340, 5323615), (3674, 4839650), (4175, 4258892), (4300, 4135087), (4502, 3949550), (4730, 3759170), (7181, 2476100), (7348, 2419825), (8350, 2129446), (9004, 1974775), (9185, 1935860), (9460, 1879585), (11255, 1579820), (11825, 1503668), (14362, 1238050), (16700, 1064723), (18370, 967930), (22510, 789910), (23650, 751834), (24761, 718100), (28724, 619025), (35905, 495220), (36740, 483965), (45020, 394955), (45925, 387172), (47300, 375917), (49522, 359050), (56275, 315964), (71810, 247610), (78991, 225100), (91850, 193586), (96793, 183700), (99044, 179525), (112550, 157982), (123805, 143620)]