7987244020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1217}}^1$

素因数の和:1458

約数の個数: 144

約数和(自身を含む): 20166309072

約数和(自身を除く): 12179065052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 181, 185, 196, 245, 259, 362, 370, 490, 518, 724, 740, 905, 980, 1036, 1217, 1267, 1295, 1810, 1813, 2434, 2534, 2590, 3620, 3626, 4868, 5068, 5180, 6085, 6335, 6697, 7252, 8519, 8869, 9065, 12170, 12670, 13394, 17038, 17738, 18130, 24340, 25340, 26788, 33485, 34076, 35476, 36260, 42595, 44345, 45029, 46879, 59633, 66970, 85190, 88690, 90058, 93758, 119266, 133940, 170380, 177380, 180116, 187516, 220277, 225145, 234395, 238532, 298165, 315203, 328153, 440554, 450290, 468790, 596330, 630406, 656306, 881108, 900580, 937580, 1101385, 1192660, 1260812, 1312612, 1541939, 1576015, 1640765, 2202770, 2206421, 3083878, 3152030, 3281530, 4405540, 4412842, 6167756, 6304060, 6563060, 7709695, 8150249, 8825684, 10793573, 11032105, 15419390, 16300498, 21587146, 22064210, 30838780, 32600996, 40751245, 43174292, 44128420, 53967865, 57051743, 81502490, 107935730, 114103486, 163004980, 215871460, 228206972, 285258715, 399362201, 570517430, 798724402, 1141034860, 1597448804, 1996811005, 3993622010, 7987244020]

約数ペア:

[(1, 7987244020), (2, 3993622010), (4, 1996811005), (5, 1597448804), (7, 1141034860), (10, 798724402), (14, 570517430), (20, 399362201), (28, 285258715), (35, 228206972), (37, 215871460), (49, 163004980), (70, 114103486), (74, 107935730), (98, 81502490), (140, 57051743), (148, 53967865), (181, 44128420), (185, 43174292), (196, 40751245), (245, 32600996), (259, 30838780), (362, 22064210), (370, 21587146), (490, 16300498), (518, 15419390), (724, 11032105), (740, 10793573), (905, 8825684), (980, 8150249), (1036, 7709695), (1217, 6563060), (1267, 6304060), (1295, 6167756), (1810, 4412842), (1813, 4405540), (2434, 3281530), (2534, 3152030), (2590, 3083878), (3620, 2206421), (3626, 2202770), (4868, 1640765), (5068, 1576015), (5180, 1541939), (6085, 1312612), (6335, 1260812), (6697, 1192660), (7252, 1101385), (8519, 937580), (8869, 900580), (9065, 881108), (12170, 656306), (12670, 630406), (13394, 596330), (17038, 468790), (17738, 450290), (18130, 440554), (24340, 328153), (25340, 315203), (26788, 298165), (33485, 238532), (34076, 234395), (35476, 225145), (36260, 220277), (42595, 187516), (44345, 180116), (45029, 177380), (46879, 170380), (59633, 133940), (66970, 119266), (85190, 93758), (88690, 90058)]