138404420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 379899072

約数和(自身を除く): 241494652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 49, 55, 70, 74, 77, 98, 110, 140, 148, 154, 185, 196, 220, 245, 259, 308, 347, 370, 385, 407, 490, 518, 539, 694, 740, 770, 814, 980, 1036, 1078, 1295, 1388, 1540, 1628, 1735, 1813, 2035, 2156, 2429, 2590, 2695, 2849, 3470, 3626, 3817, 4070, 4858, 5180, 5390, 5698, 6940, 7252, 7634, 8140, 9065, 9716, 10780, 11396, 12145, 12839, 14245, 15268, 17003, 18130, 19085, 19943, 24290, 25678, 26719, 28490, 34006, 36260, 38170, 39886, 48580, 51356, 53438, 56980, 64195, 68012, 76340, 79772, 85015, 89873, 99715, 106876, 128390, 133595, 141229, 170030, 179746, 187033, 199430, 256780, 267190, 282458, 340060, 359492, 374066, 398860, 449365, 534380, 564916, 629111, 706145, 748132, 898730, 935165, 988603, 1258222, 1412290, 1797460, 1870330, 1977206, 2516444, 2824580, 3145555, 3740660, 3954412, 4943015, 6291110, 6920221, 9886030, 12582220, 13840442, 19772060, 27680884, 34601105, 69202210, 138404420]

約数ペア:

[(1, 138404420), (2, 69202210), (4, 34601105), (5, 27680884), (7, 19772060), (10, 13840442), (11, 12582220), (14, 9886030), (20, 6920221), (22, 6291110), (28, 4943015), (35, 3954412), (37, 3740660), (44, 3145555), (49, 2824580), (55, 2516444), (70, 1977206), (74, 1870330), (77, 1797460), (98, 1412290), (110, 1258222), (140, 988603), (148, 935165), (154, 898730), (185, 748132), (196, 706145), (220, 629111), (245, 564916), (259, 534380), (308, 449365), (347, 398860), (370, 374066), (385, 359492), (407, 340060), (490, 282458), (518, 267190), (539, 256780), (694, 199430), (740, 187033), (770, 179746), (814, 170030), (980, 141229), (1036, 133595), (1078, 128390), (1295, 106876), (1388, 99715), (1540, 89873), (1628, 85015), (1735, 79772), (1813, 76340), (2035, 68012), (2156, 64195), (2429, 56980), (2590, 53438), (2695, 51356), (2849, 48580), (3470, 39886), (3626, 38170), (3817, 36260), (4070, 34006), (4858, 28490), (5180, 26719), (5390, 25678), (5698, 24290), (6940, 19943), (7252, 19085), (7634, 18130), (8140, 17003), (9065, 15268), (9716, 14245), (10780, 12839), (11396, 12145)]