289763980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77477}}^1$

素因数の和:77514

約数の個数: 48

約数和(自身を含む): 702880416

約数和(自身を除く): 413116436

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 77477, 154954, 309908, 387385, 774770, 852247, 1317109, 1549540, 1704494, 2634218, 3408988, 4261235, 5268436, 6585545, 8522470, 13171090, 14488199, 17044940, 26342180, 28976398, 57952796, 72440995, 144881990, 289763980]

約数ペア:

[(1, 289763980), (2, 144881990), (4, 72440995), (5, 57952796), (10, 28976398), (11, 26342180), (17, 17044940), (20, 14488199), (22, 13171090), (34, 8522470), (44, 6585545), (55, 5268436), (68, 4261235), (85, 3408988), (110, 2634218), (170, 1704494), (187, 1549540), (220, 1317109), (340, 852247), (374, 774770), (748, 387385), (935, 309908), (1870, 154954), (3740, 77477)]