3800380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 8578080

約数和(自身を除く): 4777700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 137, 146, 190, 274, 292, 365, 380, 548, 685, 730, 1370, 1387, 1460, 2603, 2740, 2774, 5206, 5548, 6935, 10001, 10412, 13015, 13870, 20002, 26030, 27740, 40004, 50005, 52060, 100010, 190019, 200020, 380038, 760076, 950095, 1900190, 3800380]

約数ペア:

[(1, 3800380), (2, 1900190), (4, 950095), (5, 760076), (10, 380038), (19, 200020), (20, 190019), (38, 100010), (73, 52060), (76, 50005), (95, 40004), (137, 27740), (146, 26030), (190, 20002), (274, 13870), (292, 13015), (365, 10412), (380, 10001), (548, 6935), (685, 5548), (730, 5206), (1370, 2774), (1387, 2740), (1460, 2603)]