77850220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 207416160

約数和(自身を除く): 129565940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 49, 70, 74, 76, 95, 98, 113, 133, 140, 148, 185, 190, 196, 226, 245, 259, 266, 370, 380, 452, 490, 518, 532, 565, 665, 703, 740, 791, 931, 980, 1036, 1130, 1295, 1330, 1406, 1582, 1813, 1862, 2147, 2260, 2590, 2660, 2812, 3164, 3515, 3626, 3724, 3955, 4181, 4294, 4655, 4921, 5180, 5537, 7030, 7252, 7910, 8362, 8588, 9065, 9310, 9842, 10735, 11074, 14060, 15029, 15820, 16724, 18130, 18620, 19684, 20905, 21470, 22148, 24605, 27685, 29267, 30058, 34447, 36260, 41810, 42940, 49210, 55370, 58534, 60116, 68894, 75145, 79439, 83620, 98420, 105203, 110740, 117068, 137788, 146335, 150290, 158878, 172235, 204869, 210406, 292670, 300580, 317756, 344470, 397195, 409738, 420812, 526015, 556073, 585340, 688940, 794390, 819476, 1024345, 1052030, 1112146, 1588780, 2048690, 2104060, 2224292, 2780365, 3892511, 4097380, 5560730, 7785022, 11121460, 15570044, 19462555, 38925110, 77850220]

約数ペア:

[(1, 77850220), (2, 38925110), (4, 19462555), (5, 15570044), (7, 11121460), (10, 7785022), (14, 5560730), (19, 4097380), (20, 3892511), (28, 2780365), (35, 2224292), (37, 2104060), (38, 2048690), (49, 1588780), (70, 1112146), (74, 1052030), (76, 1024345), (95, 819476), (98, 794390), (113, 688940), (133, 585340), (140, 556073), (148, 526015), (185, 420812), (190, 409738), (196, 397195), (226, 344470), (245, 317756), (259, 300580), (266, 292670), (370, 210406), (380, 204869), (452, 172235), (490, 158878), (518, 150290), (532, 146335), (565, 137788), (665, 117068), (703, 110740), (740, 105203), (791, 98420), (931, 83620), (980, 79439), (1036, 75145), (1130, 68894), (1295, 60116), (1330, 58534), (1406, 55370), (1582, 49210), (1813, 42940), (1862, 41810), (2147, 36260), (2260, 34447), (2590, 30058), (2660, 29267), (2812, 27685), (3164, 24605), (3515, 22148), (3626, 21470), (3724, 20905), (3955, 19684), (4181, 18620), (4294, 18130), (4655, 16724), (4921, 15820), (5180, 15029), (5537, 14060), (7030, 11074), (7252, 10735), (7910, 9842), (8362, 9310), (8588, 9065)]