79386940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12334

約数の個数: 48

約数和(自身を含む): 185824800

約数和(自身を除く): 106437860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 12289, 24578, 49156, 61445, 122890, 208913, 233491, 245780, 417826, 466982, 835652, 933964, 1044565, 1167455, 2089130, 2334910, 3969347, 4178260, 4669820, 7938694, 15877388, 19846735, 39693470, 79386940]

約数ペア:

[(1, 79386940), (2, 39693470), (4, 19846735), (5, 15877388), (10, 7938694), (17, 4669820), (19, 4178260), (20, 3969347), (34, 2334910), (38, 2089130), (68, 1167455), (76, 1044565), (85, 933964), (95, 835652), (170, 466982), (190, 417826), (323, 245780), (340, 233491), (380, 208913), (646, 122890), (1292, 61445), (1615, 49156), (3230, 24578), (6460, 12289)]