29973860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{617}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 72261504

約数和(自身を除く): 42287644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 617, 694, 1234, 1388, 1735, 2429, 2468, 3085, 3470, 4319, 4858, 6170, 6940, 8638, 9716, 12145, 12340, 17276, 21595, 24290, 43190, 48580, 86380, 214099, 428198, 856396, 1070495, 1498693, 2140990, 2997386, 4281980, 5994772, 7493465, 14986930, 29973860]

約数ペア:

[(1, 29973860), (2, 14986930), (4, 7493465), (5, 5994772), (7, 4281980), (10, 2997386), (14, 2140990), (20, 1498693), (28, 1070495), (35, 856396), (70, 428198), (140, 214099), (347, 86380), (617, 48580), (694, 43190), (1234, 24290), (1388, 21595), (1735, 17276), (2429, 12340), (2468, 12145), (3085, 9716), (3470, 8638), (4319, 6940), (4858, 6170)]