2019376940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{236461}}^1$

素因数の和:236538

約数の個数: 48

約数和(自身を含む): 4925976384

約数和(自身を除く): 2906599444

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, 236461, 472922, 945844, 1182305, 1655227, 2364610, 3310454, 4729220, 6620908, 8276135, 14424121, 16552270, 28848242, 33104540, 57696484, 72120605, 100968847, 144241210, 201937694, 288482420, 403875388, 504844235, 1009688470, 2019376940]

約数ペア:

[(1, 2019376940), (2, 1009688470), (4, 504844235), (5, 403875388), (7, 288482420), (10, 201937694), (14, 144241210), (20, 100968847), (28, 72120605), (35, 57696484), (61, 33104540), (70, 28848242), (122, 16552270), (140, 14424121), (244, 8276135), (305, 6620908), (427, 4729220), (610, 3310454), (854, 2364610), (1220, 1655227), (1708, 1182305), (2135, 945844), (4270, 472922), (8540, 236461)]