7829140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 18889920

約数和(自身を除く): 11060780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1873, 2090, 3746, 4180, 7492, 9365, 18730, 20603, 35587, 37460, 41206, 71174, 82412, 103015, 142348, 177935, 206030, 355870, 391457, 412060, 711740, 782914, 1565828, 1957285, 3914570, 7829140]

約数ペア:

[(1, 7829140), (2, 3914570), (4, 1957285), (5, 1565828), (10, 782914), (11, 711740), (19, 412060), (20, 391457), (22, 355870), (38, 206030), (44, 177935), (55, 142348), (76, 103015), (95, 82412), (110, 71174), (190, 41206), (209, 37460), (220, 35587), (380, 20603), (418, 18730), (836, 9365), (1045, 7492), (1873, 4180), (2090, 3746)]