344531005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 533983752

約数和(自身を除く): 189452747

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 157, 169, 245, 265, 371, 455, 637, 689, 785, 845, 1099, 1183, 1855, 2041, 2597, 3185, 3445, 4823, 5495, 5915, 7693, 8281, 8321, 8957, 10205, 12985, 14287, 24115, 26533, 33761, 38465, 41405, 41605, 44785, 58247, 62699, 71435, 100009, 108173, 132665, 168805, 185731, 291235, 313495, 407729, 438893, 500045, 540865, 757211, 928655, 1300117, 1406249, 2038645, 2194465, 3786055, 5300477, 6500585, 7031245, 9843743, 26502385, 49218715, 68906201, 344531005]

約数ペア:

[(1, 344531005), (5, 68906201), (7, 49218715), (13, 26502385), (35, 9843743), (49, 7031245), (53, 6500585), (65, 5300477), (91, 3786055), (157, 2194465), (169, 2038645), (245, 1406249), (265, 1300117), (371, 928655), (455, 757211), (637, 540865), (689, 500045), (785, 438893), (845, 407729), (1099, 313495), (1183, 291235), (1855, 185731), (2041, 168805), (2597, 132665), (3185, 108173), (3445, 100009), (4823, 71435), (5495, 62699), (5915, 58247), (7693, 44785), (8281, 41605), (8321, 41405), (8957, 38465), (10205, 33761), (12985, 26533), (14287, 24115)]