2217387920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{577}}^1$

素因数の和:1009

約数の個数: 120

約数和(自身を含む): 5690828472

約数和(自身を除く): 3473440552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 397, 440, 484, 577, 605, 794, 880, 968, 1154, 1210, 1588, 1936, 1985, 2308, 2420, 2885, 3176, 3970, 4367, 4616, 4840, 5770, 6347, 6352, 7940, 8734, 9232, 9680, 11540, 12694, 15880, 17468, 21835, 23080, 25388, 31735, 31760, 34936, 43670, 46160, 48037, 50776, 63470, 69817, 69872, 87340, 96074, 101552, 126940, 139634, 174680, 192148, 229069, 240185, 253880, 279268, 349085, 349360, 384296, 458138, 480370, 507760, 558536, 698170, 768592, 916276, 960740, 1117072, 1145345, 1396340, 1832552, 1921480, 2290690, 2519759, 2792680, 3665104, 3842960, 4581380, 5039518, 5585360, 9162760, 10079036, 12598795, 18325520, 20158072, 25197590, 27717349, 40316144, 50395180, 55434698, 100790360, 110869396, 138586745, 201580720, 221738792, 277173490, 443477584, 554346980, 1108693960, 2217387920]

約数ペア:

[(1, 2217387920), (2, 1108693960), (4, 554346980), (5, 443477584), (8, 277173490), (10, 221738792), (11, 201580720), (16, 138586745), (20, 110869396), (22, 100790360), (40, 55434698), (44, 50395180), (55, 40316144), (80, 27717349), (88, 25197590), (110, 20158072), (121, 18325520), (176, 12598795), (220, 10079036), (242, 9162760), (397, 5585360), (440, 5039518), (484, 4581380), (577, 3842960), (605, 3665104), (794, 2792680), (880, 2519759), (968, 2290690), (1154, 1921480), (1210, 1832552), (1588, 1396340), (1936, 1145345), (1985, 1117072), (2308, 960740), (2420, 916276), (2885, 768592), (3176, 698170), (3970, 558536), (4367, 507760), (4616, 480370), (4840, 458138), (5770, 384296), (6347, 349360), (6352, 349085), (7940, 279268), (8734, 253880), (9232, 240185), (9680, 229069), (11540, 192148), (12694, 174680), (15880, 139634), (17468, 126940), (21835, 101552), (23080, 96074), (25388, 87340), (31735, 69872), (31760, 69817), (34936, 63470), (43670, 50776), (46160, 48037)]