287060620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 790594560

約数和(自身を除く): 503533940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 385, 434, 490, 539, 620, 682, 770, 859, 868, 980, 1078, 1085, 1364, 1519, 1540, 1705, 1718, 2156, 2170, 2387, 2695, 3038, 3410, 3436, 4295, 4340, 4774, 5390, 6013, 6076, 6820, 7595, 8590, 9449, 9548, 10780, 11935, 12026, 15190, 16709, 17180, 18898, 23870, 24052, 26629, 30065, 30380, 33418, 37796, 42091, 47245, 47740, 53258, 60130, 66143, 66836, 83545, 84182, 94490, 106516, 120260, 132286, 133145, 167090, 168364, 186403, 188980, 210455, 264572, 266290, 292919, 330715, 334180, 372806, 420910, 463001, 532580, 585838, 661430, 745612, 841820, 926002, 932015, 1171676, 1304821, 1322860, 1464595, 1852004, 1864030, 2050433, 2315005, 2609642, 2929190, 3728060, 4100866, 4630010, 5219284, 5858380, 6524105, 8201732, 9260020, 10252165, 13048210, 14353031, 20504330, 26096420, 28706062, 41008660, 57412124, 71765155, 143530310, 287060620]

約数ペア:

[(1, 287060620), (2, 143530310), (4, 71765155), (5, 57412124), (7, 41008660), (10, 28706062), (11, 26096420), (14, 20504330), (20, 14353031), (22, 13048210), (28, 10252165), (31, 9260020), (35, 8201732), (44, 6524105), (49, 5858380), (55, 5219284), (62, 4630010), (70, 4100866), (77, 3728060), (98, 2929190), (110, 2609642), (124, 2315005), (140, 2050433), (154, 1864030), (155, 1852004), (196, 1464595), (217, 1322860), (220, 1304821), (245, 1171676), (308, 932015), (310, 926002), (341, 841820), (385, 745612), (434, 661430), (490, 585838), (539, 532580), (620, 463001), (682, 420910), (770, 372806), (859, 334180), (868, 330715), (980, 292919), (1078, 266290), (1085, 264572), (1364, 210455), (1519, 188980), (1540, 186403), (1705, 168364), (1718, 167090), (2156, 133145), (2170, 132286), (2387, 120260), (2695, 106516), (3038, 94490), (3410, 84182), (3436, 83545), (4295, 66836), (4340, 66143), (4774, 60130), (5390, 53258), (6013, 47740), (6076, 47245), (6820, 42091), (7595, 37796), (8590, 33418), (9449, 30380), (9548, 30065), (10780, 26629), (11935, 24052), (12026, 23870), (15190, 18898), (16709, 17180)]