304847620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{28279}}^1$

素因数の和:28313

約数の個数: 72

約数和(自身を含む): 812427840

約数和(自身を除く): 507580220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 28279, 56558, 113116, 141395, 197953, 282790, 311069, 395906, 565580, 622138, 791812, 989765, 1244276, 1385671, 1555345, 1979530, 2177483, 2771342, 3110690, 3959060, 4354966, 5542684, 6221380, 6928355, 8709932, 10887415, 13856710, 15242381, 21774830, 27713420, 30484762, 43549660, 60969524, 76211905, 152423810, 304847620]

約数ペア:

[(1, 304847620), (2, 152423810), (4, 76211905), (5, 60969524), (7, 43549660), (10, 30484762), (11, 27713420), (14, 21774830), (20, 15242381), (22, 13856710), (28, 10887415), (35, 8709932), (44, 6928355), (49, 6221380), (55, 5542684), (70, 4354966), (77, 3959060), (98, 3110690), (110, 2771342), (140, 2177483), (154, 1979530), (196, 1555345), (220, 1385671), (245, 1244276), (308, 989765), (385, 791812), (490, 622138), (539, 565580), (770, 395906), (980, 311069), (1078, 282790), (1540, 197953), (2156, 141395), (2695, 113116), (5390, 56558), (10780, 28279)]