254807910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4349}}^1$

素因数の和:4403

約数の個数: 128

約数和(自身を含む): 801792000

約数和(自身を除く): 546984090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3906, 4185, 4349, 5859, 6510, 8370, 8698, 9765, 11718, 13047, 19530, 21745, 26094, 29295, 30443, 39141, 43490, 58590, 60886, 65235, 78282, 91329, 117423, 130470, 134819, 152215, 182658, 195705, 234846, 269638, 273987, 304430, 391410, 404457, 456645, 547974, 587115, 674095, 808914, 821961, 913290, 943733, 1174230, 1213371, 1348190, 1369935, 1643922, 1887466, 2022285, 2426742, 2739870, 2831199, 3640113, 4044570, 4109805, 4718665, 5662398, 6066855, 7280226, 8219610, 8493597, 9437330, 12133710, 14155995, 16987194, 18200565, 25480791, 28311990, 36401130, 42467985, 50961582, 84935970, 127403955, 254807910]

約数ペア:

[(1, 254807910), (2, 127403955), (3, 84935970), (5, 50961582), (6, 42467985), (7, 36401130), (9, 28311990), (10, 25480791), (14, 18200565), (15, 16987194), (18, 14155995), (21, 12133710), (27, 9437330), (30, 8493597), (31, 8219610), (35, 7280226), (42, 6066855), (45, 5662398), (54, 4718665), (62, 4109805), (63, 4044570), (70, 3640113), (90, 2831199), (93, 2739870), (105, 2426742), (126, 2022285), (135, 1887466), (155, 1643922), (186, 1369935), (189, 1348190), (210, 1213371), (217, 1174230), (270, 943733), (279, 913290), (310, 821961), (315, 808914), (378, 674095), (434, 587115), (465, 547974), (558, 456645), (630, 404457), (651, 391410), (837, 304430), (930, 273987), (945, 269638), (1085, 234846), (1302, 195705), (1395, 182658), (1674, 152215), (1890, 134819), (1953, 130470), (2170, 117423), (2790, 91329), (3255, 78282), (3906, 65235), (4185, 60886), (4349, 58590), (5859, 43490), (6510, 39141), (8370, 30443), (8698, 29295), (9765, 26094), (11718, 21745), (13047, 19530)]