209910900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 652458240

約数和(自身を除く): 442547340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 79, 85, 100, 102, 150, 158, 170, 204, 237, 255, 300, 316, 340, 395, 425, 474, 510, 521, 790, 850, 948, 1020, 1042, 1185, 1275, 1343, 1563, 1580, 1700, 1975, 2084, 2370, 2550, 2605, 2686, 3126, 3950, 4029, 4740, 5100, 5210, 5372, 5925, 6252, 6715, 7815, 7900, 8058, 8857, 10420, 11850, 13025, 13430, 15630, 16116, 17714, 20145, 23700, 26050, 26571, 26860, 31260, 33575, 35428, 39075, 40290, 41159, 44285, 52100, 53142, 67150, 78150, 80580, 82318, 88570, 100725, 106284, 123477, 132855, 134300, 156300, 164636, 177140, 201450, 205795, 221425, 246954, 265710, 402900, 411590, 442850, 493908, 531420, 617385, 664275, 699703, 823180, 885700, 1028975, 1234770, 1328550, 1399406, 2057950, 2099109, 2469540, 2657100, 2798812, 3086925, 3498515, 4115900, 4198218, 6173850, 6997030, 8396436, 10495545, 12347700, 13994060, 17492575, 20991090, 34985150, 41982180, 52477725, 69970300, 104955450, 209910900]

約数ペア:

[(1, 209910900), (2, 104955450), (3, 69970300), (4, 52477725), (5, 41982180), (6, 34985150), (10, 20991090), (12, 17492575), (15, 13994060), (17, 12347700), (20, 10495545), (25, 8396436), (30, 6997030), (34, 6173850), (50, 4198218), (51, 4115900), (60, 3498515), (68, 3086925), (75, 2798812), (79, 2657100), (85, 2469540), (100, 2099109), (102, 2057950), (150, 1399406), (158, 1328550), (170, 1234770), (204, 1028975), (237, 885700), (255, 823180), (300, 699703), (316, 664275), (340, 617385), (395, 531420), (425, 493908), (474, 442850), (510, 411590), (521, 402900), (790, 265710), (850, 246954), (948, 221425), (1020, 205795), (1042, 201450), (1185, 177140), (1275, 164636), (1343, 156300), (1563, 134300), (1580, 132855), (1700, 123477), (1975, 106284), (2084, 100725), (2370, 88570), (2550, 82318), (2605, 80580), (2686, 78150), (3126, 67150), (3950, 53142), (4029, 52100), (4740, 44285), (5100, 41159), (5210, 40290), (5372, 39075), (5925, 35428), (6252, 33575), (6715, 31260), (7815, 26860), (7900, 26571), (8058, 26050), (8857, 23700), (10420, 20145), (11850, 17714), (13025, 16116), (13430, 15630)]