247184420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 658273392

約数和(自身を除く): 411088972

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 49, 68, 70, 74, 85, 98, 119, 140, 148, 170, 185, 196, 238, 245, 259, 340, 370, 401, 476, 490, 518, 595, 629, 740, 802, 833, 980, 1036, 1190, 1258, 1295, 1604, 1666, 1813, 2005, 2380, 2516, 2590, 2807, 3145, 3332, 3626, 4010, 4165, 4403, 5180, 5614, 6290, 6817, 7252, 8020, 8330, 8806, 9065, 11228, 12580, 13634, 14035, 14837, 16660, 17612, 18130, 19649, 22015, 27268, 28070, 29674, 30821, 34085, 36260, 39298, 44030, 47719, 56140, 59348, 61642, 68170, 74185, 78596, 88060, 95438, 98245, 103859, 123284, 136340, 148370, 154105, 190876, 196490, 207718, 238595, 252229, 296740, 308210, 334033, 392980, 415436, 477190, 504458, 519295, 616420, 668066, 727013, 954380, 1008916, 1038590, 1261145, 1336132, 1454026, 1670165, 1765603, 2077180, 2522290, 2908052, 3340330, 3531206, 3635065, 5044580, 6680660, 7062412, 7270130, 8828015, 12359221, 14540260, 17656030, 24718442, 35312060, 49436884, 61796105, 123592210, 247184420]

約数ペア:

[(1, 247184420), (2, 123592210), (4, 61796105), (5, 49436884), (7, 35312060), (10, 24718442), (14, 17656030), (17, 14540260), (20, 12359221), (28, 8828015), (34, 7270130), (35, 7062412), (37, 6680660), (49, 5044580), (68, 3635065), (70, 3531206), (74, 3340330), (85, 2908052), (98, 2522290), (119, 2077180), (140, 1765603), (148, 1670165), (170, 1454026), (185, 1336132), (196, 1261145), (238, 1038590), (245, 1008916), (259, 954380), (340, 727013), (370, 668066), (401, 616420), (476, 519295), (490, 504458), (518, 477190), (595, 415436), (629, 392980), (740, 334033), (802, 308210), (833, 296740), (980, 252229), (1036, 238595), (1190, 207718), (1258, 196490), (1295, 190876), (1604, 154105), (1666, 148370), (1813, 136340), (2005, 123284), (2380, 103859), (2516, 98245), (2590, 95438), (2807, 88060), (3145, 78596), (3332, 74185), (3626, 68170), (4010, 61642), (4165, 59348), (4403, 56140), (5180, 47719), (5614, 44030), (6290, 39298), (6817, 36260), (7252, 34085), (8020, 30821), (8330, 29674), (8806, 28070), (9065, 27268), (11228, 22015), (12580, 19649), (13634, 18130), (14035, 17612), (14837, 16660)]