221035520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1925

約数の個数: 88

約数和(自身を含む): 553574304

約数和(自身を除く): 332538784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 1877, 2560, 2944, 3680, 3754, 5120, 5888, 7360, 7508, 9385, 11776, 14720, 15016, 18770, 23552, 29440, 30032, 37540, 43171, 58880, 60064, 75080, 86342, 117760, 120128, 150160, 172684, 215855, 240256, 300320, 345368, 431710, 480512, 600640, 690736, 863420, 961024, 1201280, 1381472, 1726840, 1922048, 2402560, 2762944, 3453680, 4805120, 5525888, 6907360, 9610240, 11051776, 13814720, 22103552, 27629440, 44207104, 55258880, 110517760, 221035520]

約数ペア:

[(1, 221035520), (2, 110517760), (4, 55258880), (5, 44207104), (8, 27629440), (10, 22103552), (16, 13814720), (20, 11051776), (23, 9610240), (32, 6907360), (40, 5525888), (46, 4805120), (64, 3453680), (80, 2762944), (92, 2402560), (115, 1922048), (128, 1726840), (160, 1381472), (184, 1201280), (230, 961024), (256, 863420), (320, 690736), (368, 600640), (460, 480512), (512, 431710), (640, 345368), (736, 300320), (920, 240256), (1024, 215855), (1280, 172684), (1472, 150160), (1840, 120128), (1877, 117760), (2560, 86342), (2944, 75080), (3680, 60064), (3754, 58880), (5120, 43171), (5888, 37540), (7360, 30032), (7508, 29440), (9385, 23552), (11776, 18770), (14720, 15016)]