203506720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66943}}^1$

素因数の和:66977

約数の個数: 48

約数和(自身を含む): 506096640

約数和(自身を除く): 302589920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 66943, 133886, 267772, 334715, 535544, 669430, 1071088, 1271917, 1338860, 2142176, 2543834, 2677720, 5087668, 5355440, 6359585, 10175336, 10710880, 12719170, 20350672, 25438340, 40701344, 50876680, 101753360, 203506720]

約数ペア:

[(1, 203506720), (2, 101753360), (4, 50876680), (5, 40701344), (8, 25438340), (10, 20350672), (16, 12719170), (19, 10710880), (20, 10175336), (32, 6359585), (38, 5355440), (40, 5087668), (76, 2677720), (80, 2543834), (95, 2142176), (152, 1338860), (160, 1271917), (190, 1071088), (304, 669430), (380, 535544), (608, 334715), (760, 267772), (1520, 133886), (3040, 66943)]