8420658620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1284

約数の個数: 144

約数和(自身を含む): 20704844160

約数和(自身を除く): 12284185540

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 197, 220, 242, 340, 374, 394, 484, 605, 748, 788, 935, 985, 1039, 1210, 1870, 1970, 2057, 2078, 2167, 2420, 3349, 3740, 3940, 4114, 4156, 4334, 5195, 6698, 8228, 8668, 10285, 10390, 10835, 11429, 13396, 16745, 17663, 20570, 20780, 21670, 22858, 23837, 33490, 35326, 36839, 41140, 43340, 45716, 47674, 57145, 66980, 70652, 73678, 88315, 95348, 114290, 119185, 125719, 147356, 176630, 184195, 194293, 204683, 228580, 238370, 251438, 353260, 368390, 388586, 405229, 409366, 476740, 502876, 628595, 736780, 777172, 810458, 818732, 971465, 1023415, 1257190, 1620916, 1942930, 2026145, 2046830, 2137223, 2251513, 2514380, 3479611, 3885860, 4052290, 4093660, 4274446, 4503026, 6959222, 8104580, 8548892, 9006052, 10686115, 11257565, 13918444, 17398055, 21372230, 22515130, 24766643, 34796110, 38275721, 42744460, 45030260, 49533286, 69592220, 76551442, 99066572, 123833215, 153102884, 191378605, 247666430, 382757210, 421032931, 495332860, 765514420, 842065862, 1684131724, 2105164655, 4210329310, 8420658620]

約数ペア:

[(1, 8420658620), (2, 4210329310), (4, 2105164655), (5, 1684131724), (10, 842065862), (11, 765514420), (17, 495332860), (20, 421032931), (22, 382757210), (34, 247666430), (44, 191378605), (55, 153102884), (68, 123833215), (85, 99066572), (110, 76551442), (121, 69592220), (170, 49533286), (187, 45030260), (197, 42744460), (220, 38275721), (242, 34796110), (340, 24766643), (374, 22515130), (394, 21372230), (484, 17398055), (605, 13918444), (748, 11257565), (788, 10686115), (935, 9006052), (985, 8548892), (1039, 8104580), (1210, 6959222), (1870, 4503026), (1970, 4274446), (2057, 4093660), (2078, 4052290), (2167, 3885860), (2420, 3479611), (3349, 2514380), (3740, 2251513), (3940, 2137223), (4114, 2046830), (4156, 2026145), (4334, 1942930), (5195, 1620916), (6698, 1257190), (8228, 1023415), (8668, 971465), (10285, 818732), (10390, 810458), (10835, 777172), (11429, 736780), (13396, 628595), (16745, 502876), (17663, 476740), (20570, 409366), (20780, 405229), (21670, 388586), (22858, 368390), (23837, 353260), (33490, 251438), (35326, 238370), (36839, 228580), (41140, 204683), (43340, 194293), (45716, 184195), (47674, 176630), (57145, 147356), (66980, 125719), (70652, 119185), (73678, 114290), (88315, 95348)]