1905245140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{14449}}^1$

素因数の和:14824

約数の個数: 48

約数和(自身を含む): 4224024000

約数和(自身を除く): 2318778860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 347, 380, 694, 1388, 1735, 3470, 6593, 6940, 13186, 14449, 26372, 28898, 32965, 57796, 65930, 72245, 131860, 144490, 274531, 288980, 549062, 1098124, 1372655, 2745310, 5013803, 5490620, 10027606, 20055212, 25069015, 50138030, 95262257, 100276060, 190524514, 381049028, 476311285, 952622570, 1905245140]

約数ペア:

[(1, 1905245140), (2, 952622570), (4, 476311285), (5, 381049028), (10, 190524514), (19, 100276060), (20, 95262257), (38, 50138030), (76, 25069015), (95, 20055212), (190, 10027606), (347, 5490620), (380, 5013803), (694, 2745310), (1388, 1372655), (1735, 1098124), (3470, 549062), (6593, 288980), (6940, 274531), (13186, 144490), (14449, 131860), (26372, 72245), (28898, 65930), (32965, 57796)]