8971270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 20570112

約数和(自身を除く): 11598842

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 191, 305, 382, 385, 427, 610, 671, 770, 854, 955, 1337, 1342, 1910, 2101, 2135, 2674, 3355, 4202, 4270, 4697, 6685, 6710, 9394, 10505, 11651, 13370, 14707, 21010, 23302, 23485, 29414, 46970, 58255, 73535, 81557, 116510, 128161, 147070, 163114, 256322, 407785, 640805, 815570, 897127, 1281610, 1794254, 4485635, 8971270]

約数ペア:

[(1, 8971270), (2, 4485635), (5, 1794254), (7, 1281610), (10, 897127), (11, 815570), (14, 640805), (22, 407785), (35, 256322), (55, 163114), (61, 147070), (70, 128161), (77, 116510), (110, 81557), (122, 73535), (154, 58255), (191, 46970), (305, 29414), (382, 23485), (385, 23302), (427, 21010), (610, 14707), (671, 13370), (770, 11651), (854, 10505), (955, 9394), (1337, 6710), (1342, 6685), (1910, 4697), (2101, 4270), (2135, 4202), (2674, 3355)]