278214690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1516

約数の個数: 128

約数和(自身を含む): 788175360

約数和(自身を除く): 509960670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 29, 30, 34, 39, 51, 58, 65, 78, 85, 87, 102, 130, 145, 170, 174, 195, 221, 255, 290, 377, 390, 435, 442, 493, 510, 663, 754, 870, 986, 1105, 1131, 1326, 1447, 1479, 1885, 2210, 2262, 2465, 2894, 2958, 3315, 3770, 4341, 4930, 5655, 6409, 6630, 7235, 7395, 8682, 11310, 12818, 14470, 14790, 18811, 19227, 21705, 24599, 32045, 37622, 38454, 41963, 43410, 49198, 56433, 64090, 73797, 83926, 94055, 96135, 112866, 122995, 125889, 147594, 188110, 192270, 209815, 245990, 251778, 282165, 319787, 368985, 419630, 545519, 564330, 629445, 639574, 713371, 737970, 959361, 1091038, 1258890, 1426742, 1598935, 1636557, 1918722, 2140113, 2727595, 3197870, 3273114, 3566855, 4280226, 4796805, 5455190, 7133710, 8182785, 9273823, 9593610, 10700565, 16365570, 18547646, 21401130, 27821469, 46369115, 55642938, 92738230, 139107345, 278214690]

約数ペア:

[(1, 278214690), (2, 139107345), (3, 92738230), (5, 55642938), (6, 46369115), (10, 27821469), (13, 21401130), (15, 18547646), (17, 16365570), (26, 10700565), (29, 9593610), (30, 9273823), (34, 8182785), (39, 7133710), (51, 5455190), (58, 4796805), (65, 4280226), (78, 3566855), (85, 3273114), (87, 3197870), (102, 2727595), (130, 2140113), (145, 1918722), (170, 1636557), (174, 1598935), (195, 1426742), (221, 1258890), (255, 1091038), (290, 959361), (377, 737970), (390, 713371), (435, 639574), (442, 629445), (493, 564330), (510, 545519), (663, 419630), (754, 368985), (870, 319787), (986, 282165), (1105, 251778), (1131, 245990), (1326, 209815), (1447, 192270), (1479, 188110), (1885, 147594), (2210, 125889), (2262, 122995), (2465, 112866), (2894, 96135), (2958, 94055), (3315, 83926), (3770, 73797), (4341, 64090), (4930, 56433), (5655, 49198), (6409, 43410), (6630, 41963), (7235, 38454), (7395, 37622), (8682, 32045), (11310, 24599), (12818, 21705), (14470, 19227), (14790, 18811)]