1048378940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{122761}}^1$

素因数の和:122838

約数の個数: 48

約数和(自身を含む): 2557377984

約数和(自身を除く): 1508999044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 122761, 245522, 491044, 613805, 859327, 1227610, 1718654, 2455220, 3437308, 4296635, 7488421, 8593270, 14976842, 17186540, 29953684, 37442105, 52418947, 74884210, 104837894, 149768420, 209675788, 262094735, 524189470, 1048378940]

約数ペア:

[(1, 1048378940), (2, 524189470), (4, 262094735), (5, 209675788), (7, 149768420), (10, 104837894), (14, 74884210), (20, 52418947), (28, 37442105), (35, 29953684), (61, 17186540), (70, 14976842), (122, 8593270), (140, 7488421), (244, 4296635), (305, 3437308), (427, 2455220), (610, 1718654), (854, 1227610), (1220, 859327), (1708, 613805), (2135, 491044), (4270, 245522), (8540, 122761)]