245612696

素因数分解:

$2^3\times 7^4\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 566362200

約数和(自身を除く): 320749504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 532, 673, 686, 931, 1064, 1346, 1372, 1862, 2401, 2692, 2744, 3724, 4711, 4802, 5384, 6517, 7448, 9422, 9604, 12787, 13034, 18844, 19208, 25574, 26068, 32977, 37688, 45619, 51148, 52136, 65954, 89509, 91238, 102296, 131908, 179018, 182476, 230839, 263816, 358036, 364952, 461678, 626563, 716072, 923356, 1253126, 1615873, 1846712, 2506252, 3231746, 4385941, 5012504, 6463492, 8771882, 12926984, 17543764, 30701587, 35087528, 61403174, 122806348, 245612696]

約数ペア:

[(1, 245612696), (2, 122806348), (4, 61403174), (7, 35087528), (8, 30701587), (14, 17543764), (19, 12926984), (28, 8771882), (38, 6463492), (49, 5012504), (56, 4385941), (76, 3231746), (98, 2506252), (133, 1846712), (152, 1615873), (196, 1253126), (266, 923356), (343, 716072), (392, 626563), (532, 461678), (673, 364952), (686, 358036), (931, 263816), (1064, 230839), (1346, 182476), (1372, 179018), (1862, 131908), (2401, 102296), (2692, 91238), (2744, 89509), (3724, 65954), (4711, 52136), (4802, 51148), (5384, 45619), (6517, 37688), (7448, 32977), (9422, 26068), (9604, 25574), (12787, 19208), (13034, 18844)]