8940697010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{4273}}^1$

素因数の和:4779

約数の個数: 64

約数和(自身を含む): 18700015104

約数和(自身を除く): 9759318094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 421, 497, 710, 842, 994, 2105, 2485, 2947, 4210, 4273, 4970, 5894, 8546, 14735, 21365, 29470, 29891, 29911, 42730, 59782, 59822, 149455, 149555, 209237, 298910, 299110, 303383, 418474, 606766, 1046185, 1516915, 1798933, 2092370, 2123681, 3033830, 3597866, 4247362, 8994665, 10618405, 12592531, 17989330, 21236810, 25185062, 62962655, 125925310, 127724243, 255448486, 638621215, 894069701, 1277242430, 1788139402, 4470348505, 8940697010]

約数ペア:

[(1, 8940697010), (2, 4470348505), (5, 1788139402), (7, 1277242430), (10, 894069701), (14, 638621215), (35, 255448486), (70, 127724243), (71, 125925310), (142, 62962655), (355, 25185062), (421, 21236810), (497, 17989330), (710, 12592531), (842, 10618405), (994, 8994665), (2105, 4247362), (2485, 3597866), (2947, 3033830), (4210, 2123681), (4273, 2092370), (4970, 1798933), (5894, 1516915), (8546, 1046185), (14735, 606766), (21365, 418474), (29470, 303383), (29891, 299110), (29911, 298910), (42730, 209237), (59782, 149555), (59822, 149455)]