214747975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 306230400

約数和(自身を除く): 91482425

約数列:

[1, 5, 13, 19, 25, 65, 83, 95, 247, 325, 415, 419, 475, 1079, 1235, 1577, 2075, 2095, 5395, 5447, 6175, 7885, 7961, 10475, 20501, 26975, 27235, 34777, 39425, 39805, 102505, 103493, 136175, 173885, 199025, 452101, 512525, 517465, 660763, 869425, 2260505, 2587325, 3303815, 8589919, 11302525, 16519075, 42949595, 214747975]

約数ペア:

[(1, 214747975), (5, 42949595), (13, 16519075), (19, 11302525), (25, 8589919), (65, 3303815), (83, 2587325), (95, 2260505), (247, 869425), (325, 660763), (415, 517465), (419, 512525), (475, 452101), (1079, 199025), (1235, 173885), (1577, 136175), (2075, 103493), (2095, 102505), (5395, 39805), (5447, 39425), (6175, 34777), (7885, 27235), (7961, 26975), (10475, 20501)]