209872404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 657148800

約数和(自身を除く): 447276396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 361, 378, 399, 513, 532, 684, 722, 756, 769, 798, 1026, 1083, 1197, 1444, 1538, 1596, 2052, 2166, 2307, 2394, 2527, 3076, 3249, 3591, 4332, 4614, 4788, 5054, 5383, 6498, 6921, 7182, 7581, 9228, 9747, 10108, 10766, 12996, 13842, 14364, 14611, 15162, 16149, 19494, 20763, 21532, 22743, 27684, 29222, 30324, 32298, 38988, 41526, 43833, 45486, 48447, 58444, 64596, 68229, 83052, 87666, 90972, 96894, 102277, 131499, 136458, 145341, 175332, 193788, 204554, 262998, 272916, 277609, 290682, 306831, 394497, 409108, 525996, 555218, 581364, 613662, 788994, 832827, 920493, 1110436, 1227324, 1577988, 1665654, 1840986, 1943263, 2498481, 2761479, 3331308, 3681972, 3886526, 4996962, 5522958, 5829789, 7495443, 7773052, 9993924, 11045916, 11659578, 14990886, 17489367, 23319156, 29981772, 34978734, 52468101, 69957468, 104936202, 209872404]

約数ペア:

[(1, 209872404), (2, 104936202), (3, 69957468), (4, 52468101), (6, 34978734), (7, 29981772), (9, 23319156), (12, 17489367), (14, 14990886), (18, 11659578), (19, 11045916), (21, 9993924), (27, 7773052), (28, 7495443), (36, 5829789), (38, 5522958), (42, 4996962), (54, 3886526), (57, 3681972), (63, 3331308), (76, 2761479), (84, 2498481), (108, 1943263), (114, 1840986), (126, 1665654), (133, 1577988), (171, 1227324), (189, 1110436), (228, 920493), (252, 832827), (266, 788994), (342, 613662), (361, 581364), (378, 555218), (399, 525996), (513, 409108), (532, 394497), (684, 306831), (722, 290682), (756, 277609), (769, 272916), (798, 262998), (1026, 204554), (1083, 193788), (1197, 175332), (1444, 145341), (1538, 136458), (1596, 131499), (2052, 102277), (2166, 96894), (2307, 90972), (2394, 87666), (2527, 83052), (3076, 68229), (3249, 64596), (3591, 58444), (4332, 48447), (4614, 45486), (4788, 43833), (5054, 41526), (5383, 38988), (6498, 32298), (6921, 30324), (7182, 29222), (7581, 27684), (9228, 22743), (9747, 21532), (10108, 20763), (10766, 19494), (12996, 16149), (13842, 15162), (14364, 14611)]