196990740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 144

約数和(自身を含む): 631927296

約数和(自身を除く): 434936556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 821, 860, 930, 1116, 1290, 1333, 1395, 1548, 1642, 1860, 1935, 2463, 2580, 2666, 2790, 3284, 3870, 3999, 4105, 4926, 5332, 5580, 6665, 7389, 7740, 7998, 8210, 9852, 11997, 12315, 13330, 14778, 15996, 16420, 19995, 23994, 24630, 25451, 26660, 29556, 35303, 36945, 39990, 47988, 49260, 50902, 59985, 70606, 73890, 76353, 79980, 101804, 105909, 119970, 127255, 141212, 147780, 152706, 176515, 211818, 229059, 239940, 254510, 305412, 317727, 353030, 381765, 423636, 458118, 509020, 529545, 635454, 706060, 763530, 916236, 1059090, 1094393, 1145295, 1270908, 1527060, 1588635, 2118180, 2188786, 2290590, 3177270, 3283179, 4377572, 4581180, 5471965, 6354540, 6566358, 9849537, 10943930, 13132716, 16415895, 19699074, 21887860, 32831790, 39398148, 49247685, 65663580, 98495370, 196990740]

約数ペア:

[(1, 196990740), (2, 98495370), (3, 65663580), (4, 49247685), (5, 39398148), (6, 32831790), (9, 21887860), (10, 19699074), (12, 16415895), (15, 13132716), (18, 10943930), (20, 9849537), (30, 6566358), (31, 6354540), (36, 5471965), (43, 4581180), (45, 4377572), (60, 3283179), (62, 3177270), (86, 2290590), (90, 2188786), (93, 2118180), (124, 1588635), (129, 1527060), (155, 1270908), (172, 1145295), (180, 1094393), (186, 1059090), (215, 916236), (258, 763530), (279, 706060), (310, 635454), (372, 529545), (387, 509020), (430, 458118), (465, 423636), (516, 381765), (558, 353030), (620, 317727), (645, 305412), (774, 254510), (821, 239940), (860, 229059), (930, 211818), (1116, 176515), (1290, 152706), (1333, 147780), (1395, 141212), (1548, 127255), (1642, 119970), (1860, 105909), (1935, 101804), (2463, 79980), (2580, 76353), (2666, 73890), (2790, 70606), (3284, 59985), (3870, 50902), (3999, 49260), (4105, 47988), (4926, 39990), (5332, 36945), (5580, 35303), (6665, 29556), (7389, 26660), (7740, 25451), (7998, 24630), (8210, 23994), (9852, 19995), (11997, 16420), (12315, 15996), (13330, 14778)]