74459475

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 139276800

約数和(自身を除く): 64817325

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 71, 75, 79, 177, 213, 225, 237, 295, 355, 395, 531, 639, 711, 885, 1065, 1185, 1475, 1775, 1975, 2655, 3195, 3555, 4189, 4425, 4661, 5325, 5609, 5925, 12567, 13275, 13983, 15975, 16827, 17775, 20945, 23305, 28045, 37701, 41949, 50481, 62835, 69915, 84135, 104725, 116525, 140225, 188505, 209745, 252405, 314175, 330931, 349575, 420675, 942525, 992793, 1048725, 1262025, 1654655, 2978379, 4963965, 8273275, 14891895, 24819825, 74459475]

約数ペア:

[(1, 74459475), (3, 24819825), (5, 14891895), (9, 8273275), (15, 4963965), (25, 2978379), (45, 1654655), (59, 1262025), (71, 1048725), (75, 992793), (79, 942525), (177, 420675), (213, 349575), (225, 330931), (237, 314175), (295, 252405), (355, 209745), (395, 188505), (531, 140225), (639, 116525), (711, 104725), (885, 84135), (1065, 69915), (1185, 62835), (1475, 50481), (1775, 41949), (1975, 37701), (2655, 28045), (3195, 23305), (3555, 20945), (4189, 17775), (4425, 16827), (4661, 15975), (5325, 13983), (5609, 13275), (5925, 12567)]