21966702940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{90749}}^1$

素因数の和:90804

約数の個数: 144

約数和(自身を含む): 60831540000

約数和(自身を除く): 38864837060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 665, 910, 931, 980, 988, 1235, 1274, 1330, 1729, 1820, 1862, 2470, 2548, 2660, 3185, 3458, 3724, 4655, 4940, 6370, 6916, 8645, 9310, 12103, 12740, 17290, 18620, 24206, 34580, 48412, 60515, 90749, 121030, 181498, 242060, 362996, 453745, 635243, 907490, 1179737, 1270486, 1724231, 1814980, 2359474, 2540972, 3176215, 3448462, 4446701, 4718948, 5898685, 6352430, 6896924, 8258159, 8621155, 8893402, 11797370, 12069617, 12704860, 16516318, 17242310, 17786804, 22233505, 22415003, 23594740, 24139234, 33032636, 34484620, 41290795, 44467010, 44830006, 48278468, 57807113, 60348085, 82581590, 84487319, 88934020, 89660012, 112075015, 115614226, 120696170, 156905021, 165163180, 168974638, 224150030, 231228452, 241392340, 289035565, 313810042, 337949276, 422436595, 448300060, 578071130, 627620084, 784525105, 844873190, 1098335147, 1156142260, 1569050210, 1689746380, 2196670294, 3138100420, 4393340588, 5491675735, 10983351470, 21966702940]

約数ペア:

[(1, 21966702940), (2, 10983351470), (4, 5491675735), (5, 4393340588), (7, 3138100420), (10, 2196670294), (13, 1689746380), (14, 1569050210), (19, 1156142260), (20, 1098335147), (26, 844873190), (28, 784525105), (35, 627620084), (38, 578071130), (49, 448300060), (52, 422436595), (65, 337949276), (70, 313810042), (76, 289035565), (91, 241392340), (95, 231228452), (98, 224150030), (130, 168974638), (133, 165163180), (140, 156905021), (182, 120696170), (190, 115614226), (196, 112075015), (245, 89660012), (247, 88934020), (260, 84487319), (266, 82581590), (364, 60348085), (380, 57807113), (455, 48278468), (490, 44830006), (494, 44467010), (532, 41290795), (637, 34484620), (665, 33032636), (910, 24139234), (931, 23594740), (980, 22415003), (988, 22233505), (1235, 17786804), (1274, 17242310), (1330, 16516318), (1729, 12704860), (1820, 12069617), (1862, 11797370), (2470, 8893402), (2548, 8621155), (2660, 8258159), (3185, 6896924), (3458, 6352430), (3724, 5898685), (4655, 4718948), (4940, 4446701), (6370, 3448462), (6916, 3176215), (8645, 2540972), (9310, 2359474), (12103, 1814980), (12740, 1724231), (17290, 1270486), (18620, 1179737), (24206, 907490), (34580, 635243), (48412, 453745), (60515, 362996), (90749, 242060), (121030, 181498)]