201611960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2399}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 497664000

約数和(自身を除く): 296052040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 764, 955, 1528, 1910, 2101, 2399, 3820, 4202, 4798, 7640, 8404, 9596, 10505, 11995, 16808, 19192, 21010, 23990, 26389, 42020, 47980, 52778, 84040, 95960, 105556, 131945, 211112, 263890, 458209, 527780, 916418, 1055560, 1832836, 2291045, 3665672, 4582090, 5040299, 9164180, 10080598, 18328360, 20161196, 25201495, 40322392, 50402990, 100805980, 201611960]

約数ペア:

[(1, 201611960), (2, 100805980), (4, 50402990), (5, 40322392), (8, 25201495), (10, 20161196), (11, 18328360), (20, 10080598), (22, 9164180), (40, 5040299), (44, 4582090), (55, 3665672), (88, 2291045), (110, 1832836), (191, 1055560), (220, 916418), (382, 527780), (440, 458209), (764, 263890), (955, 211112), (1528, 131945), (1910, 105556), (2101, 95960), (2399, 84040), (3820, 52778), (4202, 47980), (4798, 42020), (7640, 26389), (8404, 23990), (9596, 21010), (10505, 19192), (11995, 16808)]