392389425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 744744000

約数和(自身を除く): 352354575

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 263, 285, 349, 475, 789, 855, 1047, 1315, 1425, 1745, 2367, 3141, 3945, 4275, 4997, 5235, 6575, 6631, 8725, 11835, 14991, 15705, 19725, 19893, 24985, 26175, 33155, 44973, 59175, 59679, 74955, 78525, 91787, 99465, 124925, 165775, 224865, 275361, 298395, 374775, 458935, 497325, 826083, 1124325, 1376805, 1491975, 1743953, 2294675, 4130415, 5231859, 6884025, 8719765, 15695577, 20652075, 26159295, 43598825, 78477885, 130796475, 392389425]

約数ペア:

[(1, 392389425), (3, 130796475), (5, 78477885), (9, 43598825), (15, 26159295), (19, 20652075), (25, 15695577), (45, 8719765), (57, 6884025), (75, 5231859), (95, 4130415), (171, 2294675), (225, 1743953), (263, 1491975), (285, 1376805), (349, 1124325), (475, 826083), (789, 497325), (855, 458935), (1047, 374775), (1315, 298395), (1425, 275361), (1745, 224865), (2367, 165775), (3141, 124925), (3945, 99465), (4275, 91787), (4997, 78525), (5235, 74955), (6575, 59679), (6631, 59175), (8725, 44973), (11835, 33155), (14991, 26175), (15705, 24985), (19725, 19893)]