1738177780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{4721}}^1$

素因数の和:5220

約数の個数: 48

約数和(自身を含む): 3748323600

約数和(自身を除く): 2010145820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 449, 820, 898, 1796, 2245, 4490, 4721, 8980, 9442, 18409, 18884, 23605, 36818, 47210, 73636, 92045, 94420, 184090, 193561, 368180, 387122, 774244, 967805, 1935610, 2119729, 3871220, 4239458, 8478916, 10598645, 21197290, 42394580, 86908889, 173817778, 347635556, 434544445, 869088890, 1738177780]

約数ペア:

[(1, 1738177780), (2, 869088890), (4, 434544445), (5, 347635556), (10, 173817778), (20, 86908889), (41, 42394580), (82, 21197290), (164, 10598645), (205, 8478916), (410, 4239458), (449, 3871220), (820, 2119729), (898, 1935610), (1796, 967805), (2245, 774244), (4490, 387122), (4721, 368180), (8980, 193561), (9442, 184090), (18409, 94420), (18884, 92045), (23605, 73636), (36818, 47210)]