778812850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{4909}}^1$

素因数の和:5107

約数の個数: 48

約数和(自身を含む): 1534276800

約数和(自身を除く): 755463950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 167, 190, 334, 475, 835, 950, 1670, 3173, 4175, 4909, 6346, 8350, 9818, 15865, 24545, 31730, 49090, 79325, 93271, 122725, 158650, 186542, 245450, 466355, 819803, 932710, 1639606, 2331775, 4099015, 4663550, 8198030, 15576257, 20495075, 31152514, 40990150, 77881285, 155762570, 389406425, 778812850]

約数ペア:

[(1, 778812850), (2, 389406425), (5, 155762570), (10, 77881285), (19, 40990150), (25, 31152514), (38, 20495075), (50, 15576257), (95, 8198030), (167, 4663550), (190, 4099015), (334, 2331775), (475, 1639606), (835, 932710), (950, 819803), (1670, 466355), (3173, 245450), (4175, 186542), (4909, 158650), (6346, 122725), (8350, 93271), (9818, 79325), (15865, 49090), (24545, 31730)]