169970900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 404974080

約数和(自身を除く): 235003180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 191, 220, 275, 382, 550, 764, 809, 955, 1100, 1618, 1910, 2101, 3236, 3820, 4045, 4202, 4775, 8090, 8404, 8899, 9550, 10505, 16180, 17798, 19100, 20225, 21010, 35596, 40450, 42020, 44495, 52525, 80900, 88990, 105050, 154519, 177980, 210100, 222475, 309038, 444950, 618076, 772595, 889900, 1545190, 1699709, 3090380, 3399418, 3862975, 6798836, 7725950, 8498545, 15451900, 16997090, 33994180, 42492725, 84985450, 169970900]

約数ペア:

[(1, 169970900), (2, 84985450), (4, 42492725), (5, 33994180), (10, 16997090), (11, 15451900), (20, 8498545), (22, 7725950), (25, 6798836), (44, 3862975), (50, 3399418), (55, 3090380), (100, 1699709), (110, 1545190), (191, 889900), (220, 772595), (275, 618076), (382, 444950), (550, 309038), (764, 222475), (809, 210100), (955, 177980), (1100, 154519), (1618, 105050), (1910, 88990), (2101, 80900), (3236, 52525), (3820, 44495), (4045, 42020), (4202, 40450), (4775, 35596), (8090, 21010), (8404, 20225), (8899, 19100), (9550, 17798), (10505, 16180)]