281316204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 853987680

約数和(自身を除く): 572671476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 19, 26, 34, 36, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 117, 153, 156, 171, 204, 221, 228, 234, 247, 306, 323, 342, 442, 468, 494, 612, 646, 663, 684, 741, 884, 969, 988, 1292, 1326, 1482, 1861, 1938, 1989, 2223, 2652, 2907, 2964, 3722, 3876, 3978, 4199, 4446, 5583, 5814, 7444, 7956, 8398, 8892, 11166, 11628, 12597, 16749, 16796, 22332, 24193, 25194, 31637, 33498, 35359, 37791, 48386, 50388, 63274, 66996, 70718, 72579, 75582, 94911, 96772, 106077, 126548, 141436, 145158, 151164, 189822, 212154, 217737, 284733, 290316, 318231, 379644, 411281, 424308, 435474, 459667, 569466, 601103, 636462, 822562, 870948, 919334, 1138932, 1202206, 1233843, 1272924, 1379001, 1645124, 1803309, 1838668, 2404412, 2467686, 2758002, 3606618, 3701529, 4137003, 4935372, 5409927, 5516004, 7213236, 7403058, 7814339, 8274006, 10819854, 14806116, 15628678, 16548012, 21639708, 23443017, 31257356, 46886034, 70329051, 93772068, 140658102, 281316204]

約数ペア:

[(1, 281316204), (2, 140658102), (3, 93772068), (4, 70329051), (6, 46886034), (9, 31257356), (12, 23443017), (13, 21639708), (17, 16548012), (18, 15628678), (19, 14806116), (26, 10819854), (34, 8274006), (36, 7814339), (38, 7403058), (39, 7213236), (51, 5516004), (52, 5409927), (57, 4935372), (68, 4137003), (76, 3701529), (78, 3606618), (102, 2758002), (114, 2467686), (117, 2404412), (153, 1838668), (156, 1803309), (171, 1645124), (204, 1379001), (221, 1272924), (228, 1233843), (234, 1202206), (247, 1138932), (306, 919334), (323, 870948), (342, 822562), (442, 636462), (468, 601103), (494, 569466), (612, 459667), (646, 435474), (663, 424308), (684, 411281), (741, 379644), (884, 318231), (969, 290316), (988, 284733), (1292, 217737), (1326, 212154), (1482, 189822), (1861, 151164), (1938, 145158), (1989, 141436), (2223, 126548), (2652, 106077), (2907, 96772), (2964, 94911), (3722, 75582), (3876, 72579), (3978, 70718), (4199, 66996), (4446, 63274), (5583, 50388), (5814, 48386), (7444, 37791), (7956, 35359), (8398, 33498), (8892, 31637), (11166, 25194), (11628, 24193), (12597, 22332), (16749, 16796)]