289737280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{129347}}^1$

素因数の和:129371

約数の個数: 56

約数和(自身を含む): 788505408

約数和(自身を除く): 498768128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 129347, 258694, 517388, 646735, 905429, 1034776, 1293470, 1810858, 2069552, 2586940, 3621716, 4139104, 4527145, 5173880, 7243432, 8278208, 9054290, 10347760, 14486864, 18108580, 20695520, 28973728, 36217160, 41391040, 57947456, 72434320, 144868640, 289737280]

約数ペア:

[(1, 289737280), (2, 144868640), (4, 72434320), (5, 57947456), (7, 41391040), (8, 36217160), (10, 28973728), (14, 20695520), (16, 18108580), (20, 14486864), (28, 10347760), (32, 9054290), (35, 8278208), (40, 7243432), (56, 5173880), (64, 4527145), (70, 4139104), (80, 3621716), (112, 2586940), (140, 2069552), (160, 1810858), (224, 1293470), (280, 1034776), (320, 905429), (448, 646735), (560, 517388), (1120, 258694), (2240, 129347)]