1489703020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139747}}^1$

素因数の和:139810

約数の個数: 48

約数和(自身を含む): 3451216608

約数和(自身を除く): 1961513588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 139747, 279494, 558988, 698735, 1397470, 1816711, 2794940, 3633422, 5729627, 7266844, 9083555, 11459254, 18167110, 22918508, 28648135, 36334220, 57296270, 74485151, 114592540, 148970302, 297940604, 372425755, 744851510, 1489703020]

約数ペア:

[(1, 1489703020), (2, 744851510), (4, 372425755), (5, 297940604), (10, 148970302), (13, 114592540), (20, 74485151), (26, 57296270), (41, 36334220), (52, 28648135), (65, 22918508), (82, 18167110), (130, 11459254), (164, 9083555), (205, 7266844), (260, 5729627), (410, 3633422), (533, 2794940), (820, 1816711), (1066, 1397470), (2132, 698735), (2665, 558988), (5330, 279494), (10660, 139747)]