2018389940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1283}}^1$

素因数の和:1977

約数の個数: 96

約数和(自身を含む): 5140848384

約数和(自身を除く): 3122458444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 661, 1190, 1283, 1322, 2380, 2566, 2644, 3305, 4627, 5132, 6415, 6610, 8981, 9254, 11237, 12830, 13220, 17962, 18508, 21811, 22474, 23135, 25660, 35924, 43622, 44905, 44948, 46270, 56185, 78659, 87244, 89810, 92540, 109055, 112370, 152677, 157318, 179620, 218110, 224740, 305354, 314636, 393295, 436220, 610708, 763385, 786590, 848063, 1526770, 1573180, 1696126, 3053540, 3392252, 4240315, 5936441, 8480630, 11872882, 14417071, 16961260, 23745764, 28834142, 29682205, 57668284, 59364410, 72085355, 100919497, 118728820, 144170710, 201838994, 288341420, 403677988, 504597485, 1009194970, 2018389940]

約数ペア:

[(1, 2018389940), (2, 1009194970), (4, 504597485), (5, 403677988), (7, 288341420), (10, 201838994), (14, 144170710), (17, 118728820), (20, 100919497), (28, 72085355), (34, 59364410), (35, 57668284), (68, 29682205), (70, 28834142), (85, 23745764), (119, 16961260), (140, 14417071), (170, 11872882), (238, 8480630), (340, 5936441), (476, 4240315), (595, 3392252), (661, 3053540), (1190, 1696126), (1283, 1573180), (1322, 1526770), (2380, 848063), (2566, 786590), (2644, 763385), (3305, 610708), (4627, 436220), (5132, 393295), (6415, 314636), (6610, 305354), (8981, 224740), (9254, 218110), (11237, 179620), (12830, 157318), (13220, 152677), (17962, 112370), (18508, 109055), (21811, 92540), (22474, 89810), (23135, 87244), (25660, 78659), (35924, 56185), (43622, 46270), (44905, 44948)]