253113420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^5\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 830124288

約数和(自身を除く): 577010868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 251, 294, 343, 420, 490, 502, 588, 686, 735, 753, 980, 1004, 1029, 1255, 1372, 1470, 1506, 1715, 1757, 2058, 2401, 2510, 2940, 3012, 3430, 3514, 3765, 4116, 4802, 5020, 5145, 5271, 6860, 7028, 7203, 7530, 8785, 9604, 10290, 10542, 12005, 12299, 14406, 15060, 16807, 17570, 20580, 21084, 24010, 24598, 26355, 28812, 33614, 35140, 36015, 36897, 48020, 49196, 50421, 52710, 61495, 67228, 72030, 73794, 84035, 86093, 100842, 105420, 122990, 144060, 147588, 168070, 172186, 184485, 201684, 245980, 252105, 258279, 336140, 344372, 368970, 430465, 504210, 516558, 602651, 737940, 860930, 1008420, 1033116, 1205302, 1291395, 1721860, 1807953, 2410604, 2582790, 3013255, 3615906, 4218557, 5165580, 6026510, 7231812, 8437114, 9039765, 12053020, 12655671, 16874228, 18079530, 21092785, 25311342, 36159060, 42185570, 50622684, 63278355, 84371140, 126556710, 253113420]

約数ペア:

[(1, 253113420), (2, 126556710), (3, 84371140), (4, 63278355), (5, 50622684), (6, 42185570), (7, 36159060), (10, 25311342), (12, 21092785), (14, 18079530), (15, 16874228), (20, 12655671), (21, 12053020), (28, 9039765), (30, 8437114), (35, 7231812), (42, 6026510), (49, 5165580), (60, 4218557), (70, 3615906), (84, 3013255), (98, 2582790), (105, 2410604), (140, 1807953), (147, 1721860), (196, 1291395), (210, 1205302), (245, 1033116), (251, 1008420), (294, 860930), (343, 737940), (420, 602651), (490, 516558), (502, 504210), (588, 430465), (686, 368970), (735, 344372), (753, 336140), (980, 258279), (1004, 252105), (1029, 245980), (1255, 201684), (1372, 184485), (1470, 172186), (1506, 168070), (1715, 147588), (1757, 144060), (2058, 122990), (2401, 105420), (2510, 100842), (2940, 86093), (3012, 84035), (3430, 73794), (3514, 72030), (3765, 67228), (4116, 61495), (4802, 52710), (5020, 50421), (5145, 49196), (5271, 48020), (6860, 36897), (7028, 36015), (7203, 35140), (7530, 33614), (8785, 28812), (9604, 26355), (10290, 24598), (10542, 24010), (12005, 21084), (12299, 20580), (14406, 17570), (15060, 16807)]