84371140

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 207531072

約数和(自身を除く): 123159932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 343, 490, 502, 686, 980, 1004, 1255, 1372, 1715, 1757, 2401, 2510, 3430, 3514, 4802, 5020, 6860, 7028, 8785, 9604, 12005, 12299, 16807, 17570, 24010, 24598, 33614, 35140, 48020, 49196, 61495, 67228, 84035, 86093, 122990, 168070, 172186, 245980, 336140, 344372, 430465, 602651, 860930, 1205302, 1721860, 2410604, 3013255, 4218557, 6026510, 8437114, 12053020, 16874228, 21092785, 42185570, 84371140]

約数ペア:

[(1, 84371140), (2, 42185570), (4, 21092785), (5, 16874228), (7, 12053020), (10, 8437114), (14, 6026510), (20, 4218557), (28, 3013255), (35, 2410604), (49, 1721860), (70, 1205302), (98, 860930), (140, 602651), (196, 430465), (245, 344372), (251, 336140), (343, 245980), (490, 172186), (502, 168070), (686, 122990), (980, 86093), (1004, 84035), (1255, 67228), (1372, 61495), (1715, 49196), (1757, 48020), (2401, 35140), (2510, 33614), (3430, 24598), (3514, 24010), (4802, 17570), (5020, 16807), (6860, 12299), (7028, 12005), (8785, 9604)]