495855360020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1\times {\mathrm{145471}}^1$

素因数の和:146912

約数の個数: 48

約数和(自身を含む): 1050058791936

約数和(自身を除く): 554203431916

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1301, 1310, 2602, 2620, 5204, 6505, 13010, 26020, 145471, 170431, 290942, 340862, 581884, 681724, 727355, 852155, 1454710, 1704310, 2909420, 3408620, 19056701, 38113402, 76226804, 95283505, 189257771, 190567010, 378515542, 381134020, 757031084, 946288855, 1892577710, 3785155420, 24792768001, 49585536002, 99171072004, 123963840005, 247927680010, 495855360020]

約数ペア:

[(1, 495855360020), (2, 247927680010), (4, 123963840005), (5, 99171072004), (10, 49585536002), (20, 24792768001), (131, 3785155420), (262, 1892577710), (524, 946288855), (655, 757031084), (1301, 381134020), (1310, 378515542), (2602, 190567010), (2620, 189257771), (5204, 95283505), (6505, 76226804), (13010, 38113402), (26020, 19056701), (145471, 3408620), (170431, 2909420), (290942, 1704310), (340862, 1454710), (581884, 852155), (681724, 727355)]