281618260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 808206336

約数和(自身を除く): 526588076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 44, 55, 62, 68, 70, 77, 85, 110, 119, 124, 140, 154, 155, 170, 187, 217, 220, 238, 308, 310, 340, 341, 347, 374, 385, 434, 476, 527, 595, 620, 682, 694, 748, 770, 868, 935, 1054, 1085, 1190, 1309, 1364, 1388, 1540, 1705, 1735, 1870, 2108, 2170, 2380, 2387, 2429, 2618, 2635, 3410, 3470, 3689, 3740, 3817, 4340, 4774, 4858, 5236, 5270, 5797, 5899, 6545, 6820, 6940, 7378, 7634, 9548, 9716, 10540, 10757, 11594, 11798, 11935, 12145, 13090, 14756, 15268, 18445, 19085, 21514, 23188, 23596, 23870, 24290, 26180, 26719, 28985, 29495, 36890, 38170, 40579, 41293, 43028, 47740, 48580, 53438, 53785, 57970, 58990, 64889, 73780, 75299, 76340, 81158, 82586, 106876, 107570, 115940, 117980, 118327, 129778, 133595, 150598, 162316, 165172, 182869, 202895, 206465, 215140, 236654, 259556, 267190, 301196, 324445, 365738, 376495, 405790, 412930, 454223, 473308, 534380, 591635, 648890, 731476, 752990, 811580, 825860, 828289, 908446, 914345, 1183270, 1280083, 1297780, 1505980, 1656578, 1816892, 1828690, 2011559, 2271115, 2366540, 2560166, 3313156, 3657380, 4023118, 4141445, 4542230, 5120332, 6400415, 8046236, 8282890, 9084460, 10057795, 12800830, 14080913, 16565780, 20115590, 25601660, 28161826, 40231180, 56323652, 70404565, 140809130, 281618260]

約数ペア:

[(1, 281618260), (2, 140809130), (4, 70404565), (5, 56323652), (7, 40231180), (10, 28161826), (11, 25601660), (14, 20115590), (17, 16565780), (20, 14080913), (22, 12800830), (28, 10057795), (31, 9084460), (34, 8282890), (35, 8046236), (44, 6400415), (55, 5120332), (62, 4542230), (68, 4141445), (70, 4023118), (77, 3657380), (85, 3313156), (110, 2560166), (119, 2366540), (124, 2271115), (140, 2011559), (154, 1828690), (155, 1816892), (170, 1656578), (187, 1505980), (217, 1297780), (220, 1280083), (238, 1183270), (308, 914345), (310, 908446), (340, 828289), (341, 825860), (347, 811580), (374, 752990), (385, 731476), (434, 648890), (476, 591635), (527, 534380), (595, 473308), (620, 454223), (682, 412930), (694, 405790), (748, 376495), (770, 365738), (868, 324445), (935, 301196), (1054, 267190), (1085, 259556), (1190, 236654), (1309, 215140), (1364, 206465), (1388, 202895), (1540, 182869), (1705, 165172), (1735, 162316), (1870, 150598), (2108, 133595), (2170, 129778), (2380, 118327), (2387, 117980), (2429, 115940), (2618, 107570), (2635, 106876), (3410, 82586), (3470, 81158), (3689, 76340), (3740, 75299), (3817, 73780), (4340, 64889), (4774, 58990), (4858, 57970), (5236, 53785), (5270, 53438), (5797, 48580), (5899, 47740), (6545, 43028), (6820, 41293), (6940, 40579), (7378, 38170), (7634, 36890), (9548, 29495), (9716, 28985), (10540, 26719), (10757, 26180), (11594, 24290), (11798, 23870), (11935, 23596), (12145, 23188), (13090, 21514), (14756, 19085), (15268, 18445)]