71837290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54013}}^1$

素因数の和:54046

約数の個数: 32

約数和(自身を含む): 155560320

約数和(自身を除く): 83723030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 54013, 108026, 270065, 378091, 540130, 756182, 1026247, 1890455, 2052494, 3780910, 5131235, 7183729, 10262470, 14367458, 35918645, 71837290]

約数ペア:

[(1, 71837290), (2, 35918645), (5, 14367458), (7, 10262470), (10, 7183729), (14, 5131235), (19, 3780910), (35, 2052494), (38, 1890455), (70, 1026247), (95, 756182), (133, 540130), (190, 378091), (266, 270065), (665, 108026), (1330, 54013)]