19997966460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{60457}}^1$

素因数の和:60655

約数の個数: 96

約数和(自身を含む): 57894580800

約数和(自身を除く): 37896614340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 149, 185, 222, 298, 370, 444, 447, 555, 596, 740, 745, 894, 1110, 1490, 1788, 2220, 2235, 2980, 4470, 5513, 8940, 11026, 16539, 22052, 27565, 33078, 55130, 60457, 66156, 82695, 110260, 120914, 165390, 181371, 241828, 302285, 330780, 362742, 604570, 725484, 906855, 1209140, 1813710, 2236909, 3627420, 4473818, 6710727, 8947636, 9008093, 11184545, 13421454, 18016186, 22369090, 26842908, 27024279, 33553635, 36032372, 44738180, 45040465, 54048558, 67107270, 90080930, 108097116, 134214540, 135121395, 180161860, 270242790, 333299441, 540485580, 666598882, 999898323, 1333197764, 1666497205, 1999796646, 3332994410, 3999593292, 4999491615, 6665988820, 9998983230, 19997966460]

約数ペア:

[(1, 19997966460), (2, 9998983230), (3, 6665988820), (4, 4999491615), (5, 3999593292), (6, 3332994410), (10, 1999796646), (12, 1666497205), (15, 1333197764), (20, 999898323), (30, 666598882), (37, 540485580), (60, 333299441), (74, 270242790), (111, 180161860), (148, 135121395), (149, 134214540), (185, 108097116), (222, 90080930), (298, 67107270), (370, 54048558), (444, 45040465), (447, 44738180), (555, 36032372), (596, 33553635), (740, 27024279), (745, 26842908), (894, 22369090), (1110, 18016186), (1490, 13421454), (1788, 11184545), (2220, 9008093), (2235, 8947636), (2980, 6710727), (4470, 4473818), (5513, 3627420), (8940, 2236909), (11026, 1813710), (16539, 1209140), (22052, 906855), (27565, 725484), (33078, 604570), (55130, 362742), (60457, 330780), (66156, 302285), (82695, 241828), (110260, 181371), (120914, 165390)]