331354660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 144

約数和(自身を含む): 900910080

約数和(自身を除く): 569555420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 620, 637, 806, 839, 868, 910, 980, 1085, 1274, 1519, 1612, 1678, 1820, 2015, 2170, 2548, 2821, 3038, 3185, 3356, 4030, 4195, 4340, 5642, 5873, 6076, 6370, 7595, 8060, 8390, 10907, 11284, 11746, 12740, 14105, 15190, 16780, 19747, 21814, 23492, 26009, 28210, 29365, 30380, 39494, 41111, 43628, 52018, 54535, 56420, 58730, 76349, 78988, 82222, 98735, 104036, 109070, 117460, 130045, 152698, 164444, 182063, 197470, 205555, 218140, 260090, 305396, 338117, 364126, 381745, 394940, 411110, 520180, 534443, 676234, 728252, 763490, 822220, 910315, 1068886, 1274441, 1352468, 1526980, 1690585, 1820630, 2137772, 2366819, 2548882, 2672215, 3381170, 3641260, 4733638, 5097764, 5344430, 6372205, 6762340, 9467276, 10688860, 11834095, 12744410, 16567733, 23668190, 25488820, 33135466, 47336380, 66270932, 82838665, 165677330, 331354660]

約数ペア:

[(1, 331354660), (2, 165677330), (4, 82838665), (5, 66270932), (7, 47336380), (10, 33135466), (13, 25488820), (14, 23668190), (20, 16567733), (26, 12744410), (28, 11834095), (31, 10688860), (35, 9467276), (49, 6762340), (52, 6372205), (62, 5344430), (65, 5097764), (70, 4733638), (91, 3641260), (98, 3381170), (124, 2672215), (130, 2548882), (140, 2366819), (155, 2137772), (182, 1820630), (196, 1690585), (217, 1526980), (245, 1352468), (260, 1274441), (310, 1068886), (364, 910315), (403, 822220), (434, 763490), (455, 728252), (490, 676234), (620, 534443), (637, 520180), (806, 411110), (839, 394940), (868, 381745), (910, 364126), (980, 338117), (1085, 305396), (1274, 260090), (1519, 218140), (1612, 205555), (1678, 197470), (1820, 182063), (2015, 164444), (2170, 152698), (2548, 130045), (2821, 117460), (3038, 109070), (3185, 104036), (3356, 98735), (4030, 82222), (4195, 78988), (4340, 76349), (5642, 58730), (5873, 56420), (6076, 54535), (6370, 52018), (7595, 43628), (8060, 41111), (8390, 39494), (10907, 30380), (11284, 29365), (11746, 28210), (12740, 26009), (14105, 23492), (15190, 21814), (16780, 19747)]