77197540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2129}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 193770360

約数和(自身を除く): 116572820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2129, 2590, 3626, 4258, 5180, 7252, 8516, 9065, 10645, 14903, 18130, 21290, 29806, 36260, 42580, 59612, 74515, 78773, 104321, 149030, 157546, 208642, 298060, 315092, 393865, 417284, 521605, 551411, 787730, 1043210, 1102822, 1575460, 2086420, 2205644, 2757055, 3859877, 5514110, 7719754, 11028220, 15439508, 19299385, 38598770, 77197540]

約数ペア:

[(1, 77197540), (2, 38598770), (4, 19299385), (5, 15439508), (7, 11028220), (10, 7719754), (14, 5514110), (20, 3859877), (28, 2757055), (35, 2205644), (37, 2086420), (49, 1575460), (70, 1102822), (74, 1043210), (98, 787730), (140, 551411), (148, 521605), (185, 417284), (196, 393865), (245, 315092), (259, 298060), (370, 208642), (490, 157546), (518, 149030), (740, 104321), (980, 78773), (1036, 74515), (1295, 59612), (1813, 42580), (2129, 36260), (2590, 29806), (3626, 21290), (4258, 18130), (5180, 14903), (7252, 10645), (8516, 9065)]