66384850900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1109}}^1\times {\mathrm{8431}}^1$

素因数の和:9625

約数の個数: 72

約数和(自身を含む): 146233140480

約数和(自身を除く): 79848289580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1109, 1420, 1775, 2218, 3550, 4436, 5545, 7100, 8431, 11090, 16862, 22180, 27725, 33724, 42155, 55450, 78739, 84310, 110900, 157478, 168620, 210775, 314956, 393695, 421550, 598601, 787390, 843100, 1197202, 1574780, 1968475, 2394404, 2993005, 3936950, 5986010, 7873900, 9349979, 11972020, 14965025, 18699958, 29930050, 37399916, 46749895, 59860100, 93499790, 186999580, 233749475, 467498950, 663848509, 934997900, 1327697018, 2655394036, 3319242545, 6638485090, 13276970180, 16596212725, 33192425450, 66384850900]

約数ペア:

[(1, 66384850900), (2, 33192425450), (4, 16596212725), (5, 13276970180), (10, 6638485090), (20, 3319242545), (25, 2655394036), (50, 1327697018), (71, 934997900), (100, 663848509), (142, 467498950), (284, 233749475), (355, 186999580), (710, 93499790), (1109, 59860100), (1420, 46749895), (1775, 37399916), (2218, 29930050), (3550, 18699958), (4436, 14965025), (5545, 11972020), (7100, 9349979), (8431, 7873900), (11090, 5986010), (16862, 3936950), (22180, 2993005), (27725, 2394404), (33724, 1968475), (42155, 1574780), (55450, 1197202), (78739, 843100), (84310, 787390), (110900, 598601), (157478, 421550), (168620, 393695), (210775, 314956)]