4004381080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1787}}^1$

素因数の和:2009

約数の個数: 128

約数和(自身を含む): 10566650880

約数和(自身を除く): 6562269800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 151, 212, 265, 280, 302, 371, 424, 530, 604, 742, 755, 1057, 1060, 1208, 1484, 1510, 1787, 1855, 2114, 2120, 2968, 3020, 3574, 3710, 4228, 5285, 6040, 7148, 7420, 8003, 8456, 8935, 10570, 12509, 14296, 14840, 16006, 17870, 21140, 25018, 32012, 35740, 40015, 42280, 50036, 56021, 62545, 64024, 71480, 80030, 94711, 100072, 112042, 125090, 160060, 189422, 224084, 250180, 269837, 280105, 320120, 378844, 448168, 473555, 500360, 539674, 560210, 662977, 757688, 947110, 1079348, 1120420, 1325954, 1349185, 1888859, 1894220, 2158696, 2240840, 2651908, 2698370, 3314885, 3777718, 3788440, 5303816, 5396740, 6629770, 7555436, 9444295, 10793480, 13259540, 14301361, 15110872, 18888590, 26519080, 28602722, 37777180, 57205444, 71506805, 75554360, 100109527, 114410888, 143013610, 200219054, 286027220, 400438108, 500547635, 572054440, 800876216, 1001095270, 2002190540, 4004381080]

約数ペア:

[(1, 4004381080), (2, 2002190540), (4, 1001095270), (5, 800876216), (7, 572054440), (8, 500547635), (10, 400438108), (14, 286027220), (20, 200219054), (28, 143013610), (35, 114410888), (40, 100109527), (53, 75554360), (56, 71506805), (70, 57205444), (106, 37777180), (140, 28602722), (151, 26519080), (212, 18888590), (265, 15110872), (280, 14301361), (302, 13259540), (371, 10793480), (424, 9444295), (530, 7555436), (604, 6629770), (742, 5396740), (755, 5303816), (1057, 3788440), (1060, 3777718), (1208, 3314885), (1484, 2698370), (1510, 2651908), (1787, 2240840), (1855, 2158696), (2114, 1894220), (2120, 1888859), (2968, 1349185), (3020, 1325954), (3574, 1120420), (3710, 1079348), (4228, 947110), (5285, 757688), (6040, 662977), (7148, 560210), (7420, 539674), (8003, 500360), (8456, 473555), (8935, 448168), (10570, 378844), (12509, 320120), (14296, 280105), (14840, 269837), (16006, 250180), (17870, 224084), (21140, 189422), (25018, 160060), (32012, 125090), (35740, 112042), (40015, 100072), (42280, 94711), (50036, 80030), (56021, 71480), (62545, 64024)]