678388730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1\times {\mathrm{4643}}^1$

素因数の和:5438

約数の個数: 32

約数和(自身を含む): 1287316800

約数和(自身を除く): 608928070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 769, 1538, 3845, 4643, 7690, 9286, 14611, 23215, 29222, 46430, 73055, 88217, 146110, 176434, 441085, 882170, 3570467, 7140934, 17852335, 35704670, 67838873, 135677746, 339194365, 678388730]

約数ペア:

[(1, 678388730), (2, 339194365), (5, 135677746), (10, 67838873), (19, 35704670), (38, 17852335), (95, 7140934), (190, 3570467), (769, 882170), (1538, 441085), (3845, 176434), (4643, 146110), (7690, 88217), (9286, 73055), (14611, 46430), (23215, 29222)]