199978380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3756

約数の個数: 144

約数和(自身を含む): 709572864

約数和(自身を除く): 509594484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3691, 3870, 4515, 5418, 6020, 7382, 7740, 9030, 10836, 11073, 13545, 14764, 18060, 18455, 22146, 25837, 27090, 33219, 36910, 44292, 51674, 54180, 55365, 66438, 73820, 77511, 103348, 110730, 129185, 132876, 155022, 158713, 166095, 221460, 232533, 258370, 310044, 317426, 332190, 387555, 465066, 476139, 516740, 634852, 664380, 775110, 793565, 930132, 952278, 1110991, 1162665, 1428417, 1550220, 1587130, 1904556, 2221982, 2325330, 2380695, 2856834, 3174260, 3332973, 4443964, 4650660, 4761390, 5554955, 5713668, 6665946, 7142085, 9522780, 9998919, 11109910, 13331892, 14284170, 16664865, 19997838, 22219820, 28568340, 33329730, 39995676, 49994595, 66659460, 99989190, 199978380]

約数ペア:

[(1, 199978380), (2, 99989190), (3, 66659460), (4, 49994595), (5, 39995676), (6, 33329730), (7, 28568340), (9, 22219820), (10, 19997838), (12, 16664865), (14, 14284170), (15, 13331892), (18, 11109910), (20, 9998919), (21, 9522780), (28, 7142085), (30, 6665946), (35, 5713668), (36, 5554955), (42, 4761390), (43, 4650660), (45, 4443964), (60, 3332973), (63, 3174260), (70, 2856834), (84, 2380695), (86, 2325330), (90, 2221982), (105, 1904556), (126, 1587130), (129, 1550220), (140, 1428417), (172, 1162665), (180, 1110991), (210, 952278), (215, 930132), (252, 793565), (258, 775110), (301, 664380), (315, 634852), (387, 516740), (420, 476139), (430, 465066), (516, 387555), (602, 332190), (630, 317426), (645, 310044), (774, 258370), (860, 232533), (903, 221460), (1204, 166095), (1260, 158713), (1290, 155022), (1505, 132876), (1548, 129185), (1806, 110730), (1935, 103348), (2580, 77511), (2709, 73820), (3010, 66438), (3612, 55365), (3691, 54180), (3870, 51674), (4515, 44292), (5418, 36910), (6020, 33219), (7382, 27090), (7740, 25837), (9030, 22146), (10836, 18455), (11073, 18060), (13545, 14764)]