664946590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:458

約数の個数: 128

約数和(自身を含む): 1562664960

約数和(自身を除く): 897718370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 89, 110, 154, 155, 178, 217, 310, 313, 341, 385, 434, 445, 623, 626, 682, 770, 890, 979, 1085, 1246, 1565, 1705, 1958, 2170, 2191, 2387, 2759, 3115, 3130, 3410, 3443, 4382, 4774, 4895, 5518, 6230, 6853, 6886, 9703, 9790, 10955, 11935, 13706, 13795, 17215, 19313, 19406, 21910, 23870, 24101, 27590, 27857, 30349, 34265, 34430, 38626, 48202, 48515, 55714, 60698, 67921, 68530, 96565, 97030, 106733, 120505, 135842, 139285, 151745, 193130, 194999, 212443, 213466, 241010, 278570, 303490, 306427, 339605, 389998, 424886, 533665, 612854, 679210, 747131, 863567, 974995, 1062215, 1067330, 1494262, 1532135, 1727134, 1949990, 2124430, 2144989, 3064270, 3735655, 4289978, 4317835, 6044969, 7471310, 8635670, 9499237, 10724945, 12089938, 18998474, 21449890, 30224845, 47496185, 60449690, 66494659, 94992370, 132989318, 332473295, 664946590]

約数ペア:

[(1, 664946590), (2, 332473295), (5, 132989318), (7, 94992370), (10, 66494659), (11, 60449690), (14, 47496185), (22, 30224845), (31, 21449890), (35, 18998474), (55, 12089938), (62, 10724945), (70, 9499237), (77, 8635670), (89, 7471310), (110, 6044969), (154, 4317835), (155, 4289978), (178, 3735655), (217, 3064270), (310, 2144989), (313, 2124430), (341, 1949990), (385, 1727134), (434, 1532135), (445, 1494262), (623, 1067330), (626, 1062215), (682, 974995), (770, 863567), (890, 747131), (979, 679210), (1085, 612854), (1246, 533665), (1565, 424886), (1705, 389998), (1958, 339605), (2170, 306427), (2191, 303490), (2387, 278570), (2759, 241010), (3115, 213466), (3130, 212443), (3410, 194999), (3443, 193130), (4382, 151745), (4774, 139285), (4895, 135842), (5518, 120505), (6230, 106733), (6853, 97030), (6886, 96565), (9703, 68530), (9790, 67921), (10955, 60698), (11935, 55714), (13706, 48515), (13795, 48202), (17215, 38626), (19313, 34430), (19406, 34265), (21910, 30349), (23870, 27857), (24101, 27590)]