78029980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9137}}^1$

素因数の和:9214

約数の個数: 48

約数和(自身を含む): 190362816

約数和(自身を除く): 112332836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9137, 18274, 36548, 45685, 63959, 91370, 127918, 182740, 255836, 319795, 557357, 639590, 1114714, 1279180, 2229428, 2786785, 3901499, 5573570, 7802998, 11147140, 15605996, 19507495, 39014990, 78029980]

約数ペア:

[(1, 78029980), (2, 39014990), (4, 19507495), (5, 15605996), (7, 11147140), (10, 7802998), (14, 5573570), (20, 3901499), (28, 2786785), (35, 2229428), (61, 1279180), (70, 1114714), (122, 639590), (140, 557357), (244, 319795), (305, 255836), (427, 182740), (610, 127918), (854, 91370), (1220, 63959), (1708, 45685), (2135, 36548), (4270, 18274), (8540, 9137)]