6490540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 16374960

約数和(自身を除く): 9884420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 179, 185, 196, 245, 259, 358, 370, 490, 518, 716, 740, 895, 980, 1036, 1253, 1295, 1790, 1813, 2506, 2590, 3580, 3626, 5012, 5180, 6265, 6623, 7252, 8771, 9065, 12530, 13246, 17542, 18130, 25060, 26492, 33115, 35084, 36260, 43855, 46361, 66230, 87710, 92722, 132460, 175420, 185444, 231805, 324527, 463610, 649054, 927220, 1298108, 1622635, 3245270, 6490540]

約数ペア:

[(1, 6490540), (2, 3245270), (4, 1622635), (5, 1298108), (7, 927220), (10, 649054), (14, 463610), (20, 324527), (28, 231805), (35, 185444), (37, 175420), (49, 132460), (70, 92722), (74, 87710), (98, 66230), (140, 46361), (148, 43855), (179, 36260), (185, 35084), (196, 33115), (245, 26492), (259, 25060), (358, 18130), (370, 17542), (490, 13246), (518, 12530), (716, 9065), (740, 8771), (895, 7252), (980, 6623), (1036, 6265), (1253, 5180), (1295, 5012), (1790, 3626), (1813, 3580), (2506, 2590)]