194724020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 425607168

約数和(自身を除く): 230883148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2473, 2540, 3937, 4946, 7874, 9892, 12365, 15748, 19685, 24730, 39370, 49460, 76663, 78740, 153326, 306652, 314071, 383315, 628142, 766630, 1256284, 1533260, 1570355, 3140710, 6281420, 9736201, 19472402, 38944804, 48681005, 97362010, 194724020]

約数ペア:

[(1, 194724020), (2, 97362010), (4, 48681005), (5, 38944804), (10, 19472402), (20, 9736201), (31, 6281420), (62, 3140710), (124, 1570355), (127, 1533260), (155, 1256284), (254, 766630), (310, 628142), (508, 383315), (620, 314071), (635, 306652), (1270, 153326), (2473, 78740), (2540, 76663), (3937, 49460), (4946, 39370), (7874, 24730), (9892, 19685), (12365, 15748)]