242002905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 193453095

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 199, 251, 255, 285, 323, 597, 753, 969, 995, 1255, 1615, 2985, 3383, 3765, 3781, 4267, 4769, 4845, 10149, 11343, 12801, 14307, 16915, 18905, 21335, 23845, 49949, 50745, 56715, 64005, 64277, 71535, 81073, 149847, 192831, 243219, 249745, 321385, 405365, 749235, 849133, 949031, 964155, 1216095, 2547399, 2847093, 4245665, 4745155, 12736995, 14235465, 16133527, 48400581, 80667635, 242002905]

約数ペア:

[(1, 242002905), (3, 80667635), (5, 48400581), (15, 16133527), (17, 14235465), (19, 12736995), (51, 4745155), (57, 4245665), (85, 2847093), (95, 2547399), (199, 1216095), (251, 964155), (255, 949031), (285, 849133), (323, 749235), (597, 405365), (753, 321385), (969, 249745), (995, 243219), (1255, 192831), (1615, 149847), (2985, 81073), (3383, 71535), (3765, 64277), (3781, 64005), (4267, 56715), (4769, 50745), (4845, 49949), (10149, 23845), (11343, 21335), (12801, 18905), (14307, 16915)]