2018738260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{467}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 5404771008

約数和(自身を除く): 3386032748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 401, 467, 490, 539, 770, 802, 934, 980, 1078, 1540, 1604, 1868, 2005, 2156, 2335, 2695, 2807, 3269, 4010, 4411, 4670, 5137, 5390, 5614, 6538, 8020, 8822, 9340, 10274, 10780, 11228, 13076, 14035, 16345, 17644, 19649, 20548, 22055, 22883, 25685, 28070, 30877, 32690, 35959, 39298, 44110, 45766, 51370, 56140, 61754, 65380, 71918, 78596, 88220, 91532, 98245, 102740, 114415, 123508, 143836, 154385, 179795, 187267, 196490, 216139, 228830, 251713, 308770, 359590, 374534, 392980, 432278, 457660, 503426, 617540, 719180, 749068, 864556, 936335, 1006852, 1080695, 1258565, 1310869, 1872670, 2059937, 2161390, 2517130, 2621738, 3745340, 4119874, 4322780, 5034260, 5243476, 6554345, 8239748, 9176083, 10299685, 13108690, 14419559, 18352166, 20599370, 26217380, 28839118, 36704332, 41198740, 45880415, 57678236, 72097795, 91760830, 100936913, 144195590, 183521660, 201873826, 288391180, 403747652, 504684565, 1009369130, 2018738260]

約数ペア:

[(1, 2018738260), (2, 1009369130), (4, 504684565), (5, 403747652), (7, 288391180), (10, 201873826), (11, 183521660), (14, 144195590), (20, 100936913), (22, 91760830), (28, 72097795), (35, 57678236), (44, 45880415), (49, 41198740), (55, 36704332), (70, 28839118), (77, 26217380), (98, 20599370), (110, 18352166), (140, 14419559), (154, 13108690), (196, 10299685), (220, 9176083), (245, 8239748), (308, 6554345), (385, 5243476), (401, 5034260), (467, 4322780), (490, 4119874), (539, 3745340), (770, 2621738), (802, 2517130), (934, 2161390), (980, 2059937), (1078, 1872670), (1540, 1310869), (1604, 1258565), (1868, 1080695), (2005, 1006852), (2156, 936335), (2335, 864556), (2695, 749068), (2807, 719180), (3269, 617540), (4010, 503426), (4411, 457660), (4670, 432278), (5137, 392980), (5390, 374534), (5614, 359590), (6538, 308770), (8020, 251713), (8822, 228830), (9340, 216139), (10274, 196490), (10780, 187267), (11228, 179795), (13076, 154385), (14035, 143836), (16345, 123508), (17644, 114415), (19649, 102740), (20548, 98245), (22055, 91532), (22883, 88220), (25685, 78596), (28070, 71918), (30877, 65380), (32690, 61754), (35959, 56140), (39298, 51370), (44110, 45766)]