206880055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 293932800

約数和(自身を除く): 87052745

約数列:

[1, 5, 17, 23, 29, 41, 85, 89, 115, 145, 205, 391, 445, 493, 667, 697, 943, 1189, 1513, 1955, 2047, 2465, 2581, 3335, 3485, 3649, 4715, 5945, 7565, 10235, 11339, 12905, 16031, 18245, 20213, 27347, 34799, 43877, 56695, 59363, 62033, 80155, 83927, 101065, 105821, 136735, 173995, 219385, 296815, 310165, 419635, 464899, 529105, 1009171, 1426759, 1798957, 2324495, 2433883, 5045855, 7133795, 8994785, 12169415, 41376011, 206880055]

約数ペア:

[(1, 206880055), (5, 41376011), (17, 12169415), (23, 8994785), (29, 7133795), (41, 5045855), (85, 2433883), (89, 2324495), (115, 1798957), (145, 1426759), (205, 1009171), (391, 529105), (445, 464899), (493, 419635), (667, 310165), (697, 296815), (943, 219385), (1189, 173995), (1513, 136735), (1955, 105821), (2047, 101065), (2465, 83927), (2581, 80155), (3335, 62033), (3485, 59363), (3649, 56695), (4715, 43877), (5945, 34799), (7565, 27347), (10235, 20213), (11339, 18245), (12905, 16031)]