204899344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 454484800

約数和(自身を除く): 249585456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 139, 152, 208, 247, 278, 304, 373, 494, 556, 746, 988, 1112, 1492, 1807, 1976, 2224, 2641, 2984, 3614, 3952, 4849, 5282, 5968, 7087, 7228, 9698, 10564, 14174, 14456, 19396, 21128, 28348, 28912, 34333, 38792, 42256, 51847, 56696, 68666, 77584, 92131, 103694, 113392, 137332, 184262, 207388, 274664, 368524, 414776, 549328, 674011, 737048, 829552, 985093, 1348022, 1474096, 1970186, 2696044, 3940372, 5392088, 7880744, 10784176, 12806209, 15761488, 25612418, 51224836, 102449672, 204899344]

約数ペア:

[(1, 204899344), (2, 102449672), (4, 51224836), (8, 25612418), (13, 15761488), (16, 12806209), (19, 10784176), (26, 7880744), (38, 5392088), (52, 3940372), (76, 2696044), (104, 1970186), (139, 1474096), (152, 1348022), (208, 985093), (247, 829552), (278, 737048), (304, 674011), (373, 549328), (494, 414776), (556, 368524), (746, 274664), (988, 207388), (1112, 184262), (1492, 137332), (1807, 113392), (1976, 103694), (2224, 92131), (2641, 77584), (2984, 68666), (3614, 56696), (3952, 51847), (4849, 42256), (5282, 38792), (5968, 34333), (7087, 28912), (7228, 28348), (9698, 21128), (10564, 19396), (14174, 14456)]