65480069500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 147267652896

約数和(自身を除く): 81787583396

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 83, 100, 125, 142, 166, 250, 284, 313, 332, 355, 415, 500, 626, 710, 830, 1252, 1420, 1565, 1660, 1775, 2075, 3130, 3550, 4150, 5041, 5893, 6260, 7100, 7825, 8300, 8875, 10082, 10375, 11786, 15650, 17750, 20164, 20750, 22223, 23572, 25205, 25979, 29465, 31300, 35500, 39125, 41500, 44446, 50410, 51958, 58930, 78250, 88892, 100820, 103916, 111115, 117860, 126025, 129895, 147325, 156500, 222230, 252050, 259790, 294650, 418403, 444460, 504100, 519580, 555575, 589300, 630125, 649475, 736625, 836806, 1111150, 1260250, 1298950, 1473250, 1577833, 1673612, 1844509, 2092015, 2222300, 2520500, 2597900, 2777875, 2946500, 3155666, 3247375, 3689018, 4184030, 5555750, 6311332, 6494750, 7378036, 7889165, 8368060, 9222545, 10460075, 11111500, 12989500, 15778330, 18445090, 20920150, 31556660, 36890180, 39445825, 41840300, 46112725, 52300375, 78891650, 92225450, 104600750, 130960139, 157783300, 184450900, 197229125, 209201500, 230563625, 261920278, 394458250, 461127250, 523840556, 654800695, 788916500, 922254500, 1309601390, 2619202780, 3274003475, 6548006950, 13096013900, 16370017375, 32740034750, 65480069500]

約数ペア:

[(1, 65480069500), (2, 32740034750), (4, 16370017375), (5, 13096013900), (10, 6548006950), (20, 3274003475), (25, 2619202780), (50, 1309601390), (71, 922254500), (83, 788916500), (100, 654800695), (125, 523840556), (142, 461127250), (166, 394458250), (250, 261920278), (284, 230563625), (313, 209201500), (332, 197229125), (355, 184450900), (415, 157783300), (500, 130960139), (626, 104600750), (710, 92225450), (830, 78891650), (1252, 52300375), (1420, 46112725), (1565, 41840300), (1660, 39445825), (1775, 36890180), (2075, 31556660), (3130, 20920150), (3550, 18445090), (4150, 15778330), (5041, 12989500), (5893, 11111500), (6260, 10460075), (7100, 9222545), (7825, 8368060), (8300, 7889165), (8875, 7378036), (10082, 6494750), (10375, 6311332), (11786, 5555750), (15650, 4184030), (17750, 3689018), (20164, 3247375), (20750, 3155666), (22223, 2946500), (23572, 2777875), (25205, 2597900), (25979, 2520500), (29465, 2222300), (31300, 2092015), (35500, 1844509), (39125, 1673612), (41500, 1577833), (44446, 1473250), (50410, 1298950), (51958, 1260250), (58930, 1111150), (78250, 836806), (88892, 736625), (100820, 649475), (103916, 630125), (111115, 589300), (117860, 555575), (126025, 519580), (129895, 504100), (147325, 444460), (156500, 418403), (222230, 294650), (252050, 259790)]