378617820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{901471}}^1$

素因数の和:901490

約数の個数: 48

約数和(自身を含む): 1211578368

約数和(自身を除く): 832960548

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, 901471, 1802942, 2704413, 3605884, 4507355, 5408826, 6310297, 9014710, 10817652, 12620594, 13522065, 18029420, 18930891, 25241188, 27044130, 31551485, 37861782, 54088260, 63102970, 75723564, 94654455, 126205940, 189308910, 378617820]

約数ペア:

[(1, 378617820), (2, 189308910), (3, 126205940), (4, 94654455), (5, 75723564), (6, 63102970), (7, 54088260), (10, 37861782), (12, 31551485), (14, 27044130), (15, 25241188), (20, 18930891), (21, 18029420), (28, 13522065), (30, 12620594), (35, 10817652), (42, 9014710), (60, 6310297), (70, 5408826), (84, 4507355), (105, 3605884), (140, 2704413), (210, 1802942), (420, 901471)]