148457820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{353471}}^1$

素因数の和:353490

約数の個数: 48

約数和(自身を含む): 475066368

約数和(自身を除く): 326608548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 353471, 706942, 1060413, 1413884, 1767355, 2120826, 2474297, 3534710, 4241652, 4948594, 5302065, 7069420, 7422891, 9897188, 10604130, 12371485, 14845782, 21208260, 24742970, 29691564, 37114455, 49485940, 74228910, 148457820]

約数ペア:

[(1, 148457820), (2, 74228910), (3, 49485940), (4, 37114455), (5, 29691564), (6, 24742970), (7, 21208260), (10, 14845782), (12, 12371485), (14, 10604130), (15, 9897188), (20, 7422891), (21, 7069420), (28, 5302065), (30, 4948594), (35, 4241652), (42, 3534710), (60, 2474297), (70, 2120826), (84, 1767355), (105, 1413884), (140, 1060413), (210, 706942), (420, 353471)]