401878908

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 1105843200

約数和(自身を除く): 703964292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 199, 207, 271, 276, 324, 398, 414, 542, 597, 621, 796, 813, 828, 1084, 1194, 1242, 1626, 1791, 1863, 2388, 2439, 2484, 3252, 3582, 3726, 4577, 4878, 5373, 6233, 7164, 7317, 7452, 9154, 9756, 10746, 12466, 13731, 14634, 16119, 18308, 18699, 21492, 21951, 24932, 27462, 29268, 32238, 37398, 41193, 43902, 53929, 54924, 56097, 64476, 74796, 82386, 87804, 107858, 112194, 123579, 161787, 164772, 168291, 215716, 224388, 247158, 323574, 336582, 370737, 485361, 494316, 504873, 647148, 673164, 741474, 970722, 1009746, 1240367, 1456083, 1482948, 1941444, 2019492, 2480734, 2912166, 3721101, 4368249, 4961468, 5824332, 7442202, 8736498, 11163303, 14884404, 17472996, 22326606, 33489909, 44653212, 66979818, 100469727, 133959636, 200939454, 401878908]

約数ペア:

[(1, 401878908), (2, 200939454), (3, 133959636), (4, 100469727), (6, 66979818), (9, 44653212), (12, 33489909), (18, 22326606), (23, 17472996), (27, 14884404), (36, 11163303), (46, 8736498), (54, 7442202), (69, 5824332), (81, 4961468), (92, 4368249), (108, 3721101), (138, 2912166), (162, 2480734), (199, 2019492), (207, 1941444), (271, 1482948), (276, 1456083), (324, 1240367), (398, 1009746), (414, 970722), (542, 741474), (597, 673164), (621, 647148), (796, 504873), (813, 494316), (828, 485361), (1084, 370737), (1194, 336582), (1242, 323574), (1626, 247158), (1791, 224388), (1863, 215716), (2388, 168291), (2439, 164772), (2484, 161787), (3252, 123579), (3582, 112194), (3726, 107858), (4577, 87804), (4878, 82386), (5373, 74796), (6233, 64476), (7164, 56097), (7317, 54924), (7452, 53929), (9154, 43902), (9756, 41193), (10746, 37398), (12466, 32238), (13731, 29268), (14634, 27462), (16119, 24932), (18308, 21951), (18699, 21492)]