2005694820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 6166637568

約数和(自身を除く): 4160942748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 227, 257, 382, 454, 514, 573, 681, 764, 771, 908, 955, 1028, 1135, 1146, 1285, 1362, 1542, 1719, 1910, 2043, 2270, 2292, 2313, 2570, 2724, 2865, 3084, 3405, 3438, 3820, 3855, 4086, 4540, 4626, 5140, 5730, 6810, 6876, 7710, 8172, 8595, 9252, 10215, 11460, 11565, 13620, 15420, 17190, 20430, 23130, 34380, 40860, 43357, 46260, 49087, 58339, 86714, 98174, 116678, 130071, 147261, 173428, 175017, 196348, 216785, 233356, 245435, 260142, 291695, 294522, 350034, 390213, 433570, 441783, 490870, 520284, 525051, 583390, 589044, 650355, 700068, 736305, 780426, 867140, 875085, 883566, 981740, 1050102, 1166780, 1300710, 1472610, 1560852, 1750170, 1767132, 1951065, 2100204, 2208915, 2601420, 2625255, 2945220, 3500340, 3902130, 4417830, 5250510, 7804260, 8835660, 10501020, 11142749, 22285498, 33428247, 44570996, 55713745, 66856494, 100284741, 111427490, 133712988, 167141235, 200569482, 222854980, 334282470, 401138964, 501423705, 668564940, 1002847410, 2005694820]

約数ペア:

[(1, 2005694820), (2, 1002847410), (3, 668564940), (4, 501423705), (5, 401138964), (6, 334282470), (9, 222854980), (10, 200569482), (12, 167141235), (15, 133712988), (18, 111427490), (20, 100284741), (30, 66856494), (36, 55713745), (45, 44570996), (60, 33428247), (90, 22285498), (180, 11142749), (191, 10501020), (227, 8835660), (257, 7804260), (382, 5250510), (454, 4417830), (514, 3902130), (573, 3500340), (681, 2945220), (764, 2625255), (771, 2601420), (908, 2208915), (955, 2100204), (1028, 1951065), (1135, 1767132), (1146, 1750170), (1285, 1560852), (1362, 1472610), (1542, 1300710), (1719, 1166780), (1910, 1050102), (2043, 981740), (2270, 883566), (2292, 875085), (2313, 867140), (2570, 780426), (2724, 736305), (2865, 700068), (3084, 650355), (3405, 589044), (3438, 583390), (3820, 525051), (3855, 520284), (4086, 490870), (4540, 441783), (4626, 433570), (5140, 390213), (5730, 350034), (6810, 294522), (6876, 291695), (7710, 260142), (8172, 245435), (8595, 233356), (9252, 216785), (10215, 196348), (11460, 175017), (11565, 173428), (13620, 147261), (15420, 130071), (17190, 116678), (20430, 98174), (23130, 86714), (34380, 58339), (40860, 49087), (43357, 46260)]