641036590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 1228219200

約数和(自身を除く): 587182610

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 179, 233, 265, 290, 358, 466, 530, 895, 1165, 1537, 1790, 2330, 3074, 5191, 6757, 7685, 9487, 10382, 12349, 13514, 15370, 18974, 24698, 25955, 33785, 41707, 47435, 51910, 61745, 67570, 83414, 94870, 123490, 208535, 275123, 358121, 417070, 550246, 716242, 1209503, 1375615, 1790605, 2210471, 2419006, 2751230, 3581210, 4420942, 6047515, 11052355, 12095030, 22104710, 64103659, 128207318, 320518295, 641036590]

約数ペア:

[(1, 641036590), (2, 320518295), (5, 128207318), (10, 64103659), (29, 22104710), (53, 12095030), (58, 11052355), (106, 6047515), (145, 4420942), (179, 3581210), (233, 2751230), (265, 2419006), (290, 2210471), (358, 1790605), (466, 1375615), (530, 1209503), (895, 716242), (1165, 550246), (1537, 417070), (1790, 358121), (2330, 275123), (3074, 208535), (5191, 123490), (6757, 94870), (7685, 83414), (9487, 67570), (10382, 61745), (12349, 51910), (13514, 47435), (15370, 41707), (18974, 33785), (24698, 25955)]