420742.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 16087680

約数和(自身を除く): 8307028

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 227, 418, 451, 454, 779, 836, 902, 908, 1558, 1804, 2497, 3116, 4313, 4994, 8569, 8626, 9307, 9988, 17138, 17252, 18614, 34276, 37228, 47443, 94886, 102377, 176833, 189772, 204754, 353666, 409508, 707332, 1945163, 3890326, 7780652]

約数ペア:

[(1, 7780652), (2, 3890326), (4, 1945163), (11, 707332), (19, 409508), (22, 353666), (38, 204754), (41, 189772), (44, 176833), (76, 102377), (82, 94886), (164, 47443), (209, 37228), (227, 34276), (418, 18614), (451, 17252), (454, 17138), (779, 9988), (836, 9307), (902, 8626), (908, 8569), (1558, 4994), (1804, 4313), (2497, 3116)]