66921800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1647

約数の個数: 96

約数和(自身を含む): 178783200

約数和(自身を除く): 111861400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 550, 760, 836, 950, 1045, 1100, 1601, 1672, 1900, 2090, 2200, 3202, 3800, 4180, 5225, 6404, 8005, 8360, 10450, 12808, 16010, 17611, 20900, 30419, 32020, 35222, 40025, 41800, 60838, 64040, 70444, 80050, 88055, 121676, 140888, 152095, 160100, 176110, 243352, 304190, 320200, 334609, 352220, 440275, 608380, 669218, 704440, 760475, 880550, 1216760, 1338436, 1520950, 1673045, 1761100, 2676872, 3041900, 3346090, 3522200, 6083800, 6692180, 8365225, 13384360, 16730450, 33460900, 66921800]

約数ペア:

[(1, 66921800), (2, 33460900), (4, 16730450), (5, 13384360), (8, 8365225), (10, 6692180), (11, 6083800), (19, 3522200), (20, 3346090), (22, 3041900), (25, 2676872), (38, 1761100), (40, 1673045), (44, 1520950), (50, 1338436), (55, 1216760), (76, 880550), (88, 760475), (95, 704440), (100, 669218), (110, 608380), (152, 440275), (190, 352220), (200, 334609), (209, 320200), (220, 304190), (275, 243352), (380, 176110), (418, 160100), (440, 152095), (475, 140888), (550, 121676), (760, 88055), (836, 80050), (950, 70444), (1045, 64040), (1100, 60838), (1601, 41800), (1672, 40025), (1900, 35222), (2090, 32020), (2200, 30419), (3202, 20900), (3800, 17611), (4180, 16010), (5225, 12808), (6404, 10450), (8005, 8360)]