204029980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 565318656

約数和(自身を除く): 361288676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 361, 367, 380, 385, 418, 532, 665, 722, 734, 770, 836, 1045, 1330, 1444, 1463, 1468, 1540, 1805, 1835, 2090, 2527, 2569, 2660, 2926, 3610, 3670, 3971, 4037, 4180, 5054, 5138, 5852, 6973, 7220, 7315, 7340, 7942, 8074, 10108, 10276, 12635, 12845, 13946, 14630, 15884, 16148, 19855, 20185, 25270, 25690, 27797, 27892, 28259, 29260, 34865, 39710, 40370, 48811, 50540, 51380, 55594, 56518, 69730, 76703, 79420, 80740, 97622, 111188, 113036, 132487, 138985, 139460, 141295, 153406, 195244, 244055, 264974, 277970, 282590, 306812, 383515, 488110, 529948, 536921, 555940, 565180, 662435, 767030, 927409, 976220, 1073842, 1324870, 1457357, 1534060, 1854818, 2147684, 2649740, 2684605, 2914714, 3709636, 4637045, 5369210, 5829428, 7286785, 9274090, 10201499, 10738420, 14573570, 18548180, 20402998, 29147140, 40805996, 51007495, 102014990, 204029980]

約数ペア:

[(1, 204029980), (2, 102014990), (4, 51007495), (5, 40805996), (7, 29147140), (10, 20402998), (11, 18548180), (14, 14573570), (19, 10738420), (20, 10201499), (22, 9274090), (28, 7286785), (35, 5829428), (38, 5369210), (44, 4637045), (55, 3709636), (70, 2914714), (76, 2684605), (77, 2649740), (95, 2147684), (110, 1854818), (133, 1534060), (140, 1457357), (154, 1324870), (190, 1073842), (209, 976220), (220, 927409), (266, 767030), (308, 662435), (361, 565180), (367, 555940), (380, 536921), (385, 529948), (418, 488110), (532, 383515), (665, 306812), (722, 282590), (734, 277970), (770, 264974), (836, 244055), (1045, 195244), (1330, 153406), (1444, 141295), (1463, 139460), (1468, 138985), (1540, 132487), (1805, 113036), (1835, 111188), (2090, 97622), (2527, 80740), (2569, 79420), (2660, 76703), (2926, 69730), (3610, 56518), (3670, 55594), (3971, 51380), (4037, 50540), (4180, 48811), (5054, 40370), (5138, 39710), (5852, 34865), (6973, 29260), (7220, 28259), (7315, 27892), (7340, 27797), (7942, 25690), (8074, 25270), (10108, 20185), (10276, 19855), (12635, 16148), (12845, 15884), (13946, 14630)]