105050000

素因数分解:

$2^4\times 5^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 278982144

約数和(自身を除く): 173932144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 191, 200, 220, 250, 275, 382, 400, 440, 500, 550, 625, 764, 880, 955, 1000, 1100, 1250, 1375, 1528, 1910, 2000, 2101, 2200, 2500, 2750, 3056, 3125, 3820, 4202, 4400, 4775, 5000, 5500, 6250, 6875, 7640, 8404, 9550, 10000, 10505, 11000, 12500, 13750, 15280, 16808, 19100, 21010, 22000, 23875, 25000, 27500, 33616, 34375, 38200, 42020, 47750, 50000, 52525, 55000, 68750, 76400, 84040, 95500, 105050, 110000, 119375, 137500, 168080, 191000, 210100, 238750, 262625, 275000, 382000, 420200, 477500, 525250, 550000, 596875, 840400, 955000, 1050500, 1193750, 1313125, 1910000, 2101000, 2387500, 2626250, 4202000, 4775000, 5252500, 6565625, 9550000, 10505000, 13131250, 21010000, 26262500, 52525000, 105050000]

約数ペア:

[(1, 105050000), (2, 52525000), (4, 26262500), (5, 21010000), (8, 13131250), (10, 10505000), (11, 9550000), (16, 6565625), (20, 5252500), (22, 4775000), (25, 4202000), (40, 2626250), (44, 2387500), (50, 2101000), (55, 1910000), (80, 1313125), (88, 1193750), (100, 1050500), (110, 955000), (125, 840400), (176, 596875), (191, 550000), (200, 525250), (220, 477500), (250, 420200), (275, 382000), (382, 275000), (400, 262625), (440, 238750), (500, 210100), (550, 191000), (625, 168080), (764, 137500), (880, 119375), (955, 110000), (1000, 105050), (1100, 95500), (1250, 84040), (1375, 76400), (1528, 68750), (1910, 55000), (2000, 52525), (2101, 50000), (2200, 47750), (2500, 42020), (2750, 38200), (3056, 34375), (3125, 33616), (3820, 27500), (4202, 25000), (4400, 23875), (4775, 22000), (5000, 21010), (5500, 19100), (6250, 16808), (6875, 15280), (7640, 13750), (8404, 12500), (9550, 11000), (10000, 10505)]